Quick aside, not all vitamin A is treated equal. Oh and people with this gene also have an increased risk of heart disease if they drink coffee. People with low levels of zinc in their body may be more prone to acne. You may have heard of the skin barrier! Cow and especially chicken liver don't really have enough vitamin A to actually be a problem. (57, 58) If youre one of these unlucky souls it means that your body cant metabolize and eliminate caffeine from the bloodstream as quickly, resulting in a constant stream of cortisol. No! pita bread, white bread, pizza dough, muffins, waffles, pancakes etc. ? Literally my reaction when I first read that it technically can. I will reply within 24 hours. To quickly highlight some of the main takeaways from the research, 3 months of daily supplementation with 2,220 mg of flaxseed oil did the following: Why should you get excited about this? Expert Insights. #3 Food For Getting Rid of Acne: Salmon and other oily fish. Reduced transepidermal water loss (TEWL) by 31%. Since this is about skin health, do you think flax seed is better for those with acne and other skin conditions vs fish oil? These healthy fats reduce hair loss and increase hair fullness. Yes, eating beef liver is great for acne and overall skin health. Most impoirtantly I stopped reading trendy websites for skincare advice and began reading medical journals authored by dermatologists and nutritionists. This item: Ancestral Supplements Grass Fed Beef Liver Capsules, Supports Energy Production, Detoxification, Digestion, Immunity and Full Body Wellness, Non-GMO, Freeze Dried Liver Health Supplement, 180 Capsules $38.00 ($0.21/Count) Ancestral Supplements Grass Fed Beef Organ Supplement, Supports Whole Body Wellness, 180 Capsules And dont get capsules. Vitamin A toxicity is very real and can cause liver damage and bone degradation (among other things). EASY-SWALLOW CAPSULES - Eating raw liver is smelly and tastes horrible. Peace of mind is just as important as a healthy diet. That is about 400 to 550 percent of the daily value for vitamin A. Beef liver contains high levels of pre-formed vitamin A. Summary Consuming a diet rich in omega-3 fatty acids, probiotics, green tea, fruits and vegetables may be protective against the development of acne. What good is it to have sexy youthful skin if youre just gonna die 2 years earlier? (, A 12 week study with 43 male acne patients aged 15-25, found a low-glycemic diet helped decrease acne count. Fry in ghee or butter until cooked through, a couple of minutes on each side. As someone who deals w acne (I think some hormonal and mb some related to dryness) and tends to pick my skin, Im super excited to learn more about ways to benefit my skin and overall health. While the calorie content of food does not make it inherently healthy or unhealthy, it does show how nutrient-dense liver is. (Acne, technically speaking, is a wound.) However, this information is provided without warranty. Turns out that certain carbs can cause acne. Im not going to go in-depth into allthe root causes of acne in this article (if youre interested I have a whole series on the root causes of acne here), but I will give you a basic overview of how acne forms in the first place: All of these things happen for one reason or another: At the end of the day, there are hundreds, if not thousands of factors that influence your skins health. 2. Overall, the evidence on whether vitamins are beneficial for acne isnt clear cut. Does Coffee Cause Acne? This turns a simple acne infection into a bright, red, inflamed pimple, When vitamin A levels were measured for both people with acne and people without, acne patients had significantly lower retinol (vitamin A) and retinol-binding protein levels in the skin (, Reduces the size of sebaceous gland (the gland that produces oil that clogs pores) [, Improves wound healing (can help heal acne scars faster), Acts as an antioxidant that protects the skin against free radicals, Helps regulate the skin shedding process and ensures dead skin cells do not clog pores (, Extremely high in vitamin A retinol, with 1408mcg (100%+ DV) in a single, Very high in copper, which is necessary for zinc absorption (, Very high in selenium, which helps antioxidants protect the skin from infection, Extremely high in vitamin A retinol, with 1350mcg (100%+ DV) in a single, Loaded with dietary vitamin D, another crucial vitamin for clear skin that controls, Contains over 1,000mg of omega-3 fatty acids per tablespoon, which fights. The vitamin A content of vegetables also pales in comparison to some animal products. This form of vitamin A is the most easily absorbed and utilised in our skin to reduce acne. Get the Diet + Supplement Blueprint and start your journey towards clear skin today! This is because desiccated beef liver contains a lot of iron, Vitamin B12, and protein which is very essential to improve the development of the muscle. Retinol is a popular ingredient in topical skin care products for acne because it: supports healthy skin cell turnover (the renewal of the skins layers), helps to regulate keratin production (over production of keratin protein plays a role in pimple formation), helps to regulate sebum flow (thicker and more copious skin oil creates food and habitat for bacteria and fungi on the skin), promotes healthy mucous membranes (a type of tissue found in the skin), plus more in the anti-aging skin care realm. Fun fact #4: supplementing with vitamin A and getting modest amounts of sunshine (vitamin D) completely eliminated my body psoriasis. The liver stores a lot of fat and dietary toxins in it, so if you go for grain-fed, low-quality liver, youll be consuming tons of inflammatory fatty acids and toxins that can cause acne. By now youve probably heard of the acne-killing badass Accutane(a.k.a. Fun fact #1: SAD is the actual acronym for the Standard American Diet. Vitamin A is a crucial vitamin for skin immunity and barrier repair. The catch? SHBG is protein produced by the liver that binds to 3 different hormones:estrogen, dihydrotestosterone (DHT), and testosterone. Dont underestimate the length of this process. When I shared the research it was in easy to understand, plain English. If you decide to take cod liver oil, please dont try overdosing on this stuff thinking you can mimic the effects of accutane. Avoid or reduce your intake of diary. In the days of our paleolithic ancestors, eating organ meats, including the liver, pancreas, and heart, was extremely common. I am wondering why you recommend flax seed oil over fish oil, though. Im not sure if this is different for cod liver oil vs omega-3s in general? Heat 1 tablespoon of olive oil in a large (12-inch) nonstick skillet over medium-high heat. Sigh. Fun fact #3: thats actually how the anti-aging all star tretinoin works. For most people, all you need is600 IU of vitamin D a day, which is about 15 minutes of sunshine every day. You guessed it. Is liver worth the hype and the freeze dried price tag? (31). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Since 2018, GoodGlow.co has been the definitive resource for people who want to achieve clear skin, acne-free naturally. Foods below 55 would be considered low GI value, whereas foods above 55 are considered high GI (things to avoid). Purchase Freeze dried liver in capsule form, Make your own liver pate (plenty of recipes on the internet to play around with - start with chicken liver pate which is much milder than beef liver and work your way up to the beef flavour). Its best to use raw dairy. Again, this is bad for the reasons listed above. People that follow a western diet sometimes have acne. Beta-carotene is great and all, but not nearly as bioavailable as retinol. Im somewhere in the middle, and thats probably the tone that this article will take. Coffee and heart disease all from having a stupid gene. Because I literally did nothing else. You can read more about treating PIE vs. PIH in this blog post. Milk contains estrogens, progesterone, the androgen precursors androstenedione and dehydroepiandrosterone-sulfate, and 5a-reduced steroids like 5a-androstanedione, 5a-pregnanedione, and dihydrotestosterone, some of which have been implicated in comedogenesis. (7). It means that even if youre eating tons of vegetables, you still might be deficient in vitamin A. Because post inflammatory erythema a.k.a. If youre wondering why no particularly reason other than me being lazy. If you cannot easily find an answer to your question on the website, please reach out to me by email ([emailprotected]) or send me a message on Instagram or Twitter. This stuff aint good for acne. You say to not eat yogurt(in the area Foods to avoid for Acne) but then in the Foos that Prevent Acne you also have yogurt listed.What is your final verdict on yogurt? 4) Very Low In Calories. Grains, Eggs and Dairy. Vitamin A is also found in the sebaceous (oil) glands of skin. desperate times call for desperate measures. Beef and cod liver are among the best sources of the ready-to-use vitamin A form known as retinol. Hence, there is an assumption that consuming lots of vitamin A from whole foods would have a similar impact on skin and reduce acne. (37) This occurred becauseborage oil has high levels oflinoleic and gamma-linolenic acid, and flaxseed oil has high levels alpha-linolenic acid and linoleic acid. Omega 6 and omega 3 fatty acids are considered essential fats because the human body cannot synthesize them. Needless to say, if youre suffering from hormonal acne youll want to avoid these. (4). I hope you learned something new and helpful. Some studies estimate that as little as 3% of vitamin A from plants actually ends up being converted into usable vitamin A. Sprinkle them with salt, black pepper, garlic powder, and smoked paprika. Oysters, lamb, beef, and shrimp are a few of the only reliable source of zinc. These include: Welp, that does it for this blog post on acne and diet. Ive done both. If theres one place to start in treating acne, its getting more organ meats into your diet. This will be especially important if you live in a region that gets very little sunlight. (40) Two things which help reduce acne. I just read your probiotics and skin article and then this one. The researchers found that a higher intake of diary, particularly milk and ice cream, was associated with acne. I wanted to take flax seed oil in the past, but I took evening primrose oil because it was recommended for hormonal acne. The Omega-6 fatty acids are thought to induce more pro-inflammatory mediators and have been associated with the development of inflammatory acne. English translation = it causes your skin to become more oily and sticky. Sticky meaning that the skin cells dont separate like they should and begin clumping together. Plus, it's thought to help foster and expedite wound healing due to its anti-inflammatory properties. For christs sake its coffee! what is better for my skin? You can cure cancer with raw pork pancreas, raw beef liver, and enemas. Id recommend you take 6 pills or the equivalent of 1oz of beef liver per day. 3. (53), Secondly, remember all that info above about how excess insulin is bad for acne? After experiencing quite a bit of success personally, I started sharing my research on forums and with close friends struggling with acne. In addition there are epidemiological studies that demonstrate that increasing the intake of omega-3 fatty acids through a diet rich in fish and seafood results in lower rates of inflammatory disease. (19), As for which foods are high in omega 6 and omega 3. CoQ10: Beef liver (and heart) are the richest sources of CoQ10, important for cardiovascular health, fertility and endurance. 100 grams of beef liver has 28,571 IU of vitamin A, whereas 100 grams of carrots has 16,705 IU of vitamin A. Beef liver is high in several B vitamins, so if you are sensitive to vitamin B12 or B5, you may want to opt for cod liver instead. a. isotretinoin, which is made from vitamin A, is effective against cystic acne. just asking because i have depression but dont feel comfortable taking antidepressant drugs, so if probiotics can help with that AND with my crappy skin itll be like a 2-in-1 haha. It is important that you take the tablets either one hour before a meal, or wait until two hours afterwards. 1. A sexy new pimple. But nowmind blown! and if they did why did you stop taking them? Isotretinoin reduces the amount of oil your skin produces. In other words, these highly scientific findings can be summarized with one e-card. Making raw milk illegal was and is a sin against God. (41, 42) Brittle skin is less capable of healing itself, which is bad for acne. Only problem is that beef liver tastes like death. Our body is a very complex system that requires a variety of vitamins, minerals, fatty acids, amino acids, and antioxidants to function optimally. The foods they consume, by and large, allow them to remain free of any blemishes. This was a great summary! So I avoided these situations whenever I could help it. Everyone went, Welp. This greatly wore on my self confidence and mental health. Case in point, do you remember what you had for dinner three nights ago? Copper promotes zinc absorption. Milk. (69). (49). Acne is non-existent in places that dont follow a western diet. With all that said, lets discuss good sources of vitamin A and D. For vitamin D, the sun! One teaspoon of cod liver oil has approximately 500 IU of vitamin D. Lastly, when looking for cod liver oil supplements try and find one with roughly equal DHA to EPA proportion as this is what the most thorough study on acne showed. This one goes hand in hand with all the points above. Thirdly, liver contains elevated levels of heavy metals. Insufficient vitamin A can lead to sluggish skin cell turnover and repair - not what we want when breakouts are hanging around waiting to be healed! Of course this will depend on your location, altitude, and forecast but aim to be outside when the UV index is around 3 or greater. https://igennus.com/nutrition/omega-3-science/epa-vs-dha/, Vanilla cake made from packet mix with vanilla frosting (Betty Crocker), Apple muffin, made with rolled oats and sugar, Apple muffin, made with rolled oats and without sugar, Lucozade, original (sparkling glucose drink), Parboiled Converted white rice (Uncle Bens), Chicken nuggets, frozen, reheated in microwave oven 5 min, Pizza, plain baked dough, served with parmesan cheese and tomato sauce. Hi Im Sam Wood. Add the onions. Point being, that at the end of the day everyone has different food sensitivities or intolerances. Moving on to the studies outside the U.S. IM ABOUT TO BECOME A HUNTER GATHER PARAGUAYAN/KITAVAN!!. The benefits of flaxseed oil come from its omega 3 and omega 6 essentially fatty acid content. AIP) or get medical testing. After this, various experiments helped prove that gelatin treated internal inflammation with success. So I decided to start a blog so I could just send someone a link when they asked a question instead of rewriting something I had sent 100 times before . Thank you for taking the time to write out this extensive guide! Two examples being the Kitavans from Papua New Guinea, and the Ach hunter-gatherers from Paraguay. That means that the modern Western diet sees an excess of 4 to 16 times the amount of omega 6 fatty acids than is recommended! Reverse hands and . Which probably isn't a problem with a weekly meal, but at 8 oz a day s/he could be accumulating a large amount of heavy metals. Beef liver is an amazing source of vitamin A, and can help acne patients who are deficient. A slow wound healing response is common in acne. This can lead to oil clogging the pores in the skin, which in can contribute to breakouts. Hi does Ghee Butter isnt diary? Is there a brand you would recommend? Vegetable oils found in artificial foods and restaurants can lead to chronic inflammation. You can read a full breakdown of what happenedhere. What does this mean for you and your skin? Very informative. Along with other nutrients and B vitamins, niacin makes for healthier hair. So did I just make this all up, or does coffee actually cause acne? Some were even consuming an excess of 1,200 calories daily from just chocolate! If youre a mum or currently pregnant, you have probably been warned against vitamin A because of its toxicity in high amounts and the risk of birth defects. For the longest time dermatologists and researchers were outright denying any sort of link between diet and skin. Not all vitamin A is created equal, and unless youre eating or supplementing with liver, youre probably deficient in vitamin A. Everything you need to beat acne at the source. putting back in, what the modern world has left out. But beyond that, it has three amazing nutrients that boost the immune system to prevent colds and other common infections - vitamin C, vitamin A and zinc. Unsurprisingly, their cuisine is very differentthan the Standard American Diet. Boohoo. One hypothesis being that omega 6 and omega 3 essential fatty acids have a push-pull relationship by competing for the same enzymes, which often leads to a deficiency of one or the other. Lets focus on the Kitavans who are northeast of Australia on this little island in the middle of nowhere (haha). EPA levels are under constant demand and low EPA levels in adolescents and adults correlates strongly with development of mental health issues, including depression, dyslexia and dyspraxia, heart problems, joint and bone conditions, as well as neurodegenerative diseases such as MS and Parkinsons. That woman helped me get through some very dark times. To make matters more interesting, research has shown that eczema, acne, and psoriasis are all linked toabnormalities in the metabolism of essential fatty acids. In fact, desiccated beef liver contains 70% protein by weight and 16 essential amino acids . Although plants have plenty of vitamin A, the amount that actually gets converted into usable vitamin A is as little as 3%. Beef liver is also rich in copper, zinc and selenium. 39,520 views Nov 10, 2019 715 Dislike Share Sarah Perkins 26K subscribers I've tried plenty of supplements for my #acne in the past, but none have. There are people that eat 0.5-1 pounds a day for an extended period of time without issue. You may be sensitive to coffee. If you havent, worry not. (, Aprospective cohort study (in other words, it followed the same participants for 4 years in this case 4,273 teenaged boys), found a positive association between skim milk and acne through a food questionnaire. (70). This leaves more room for error - are you getting enough beta-carotene, are the sources high quality, do you have the enzymes and cofactors available for conversion etc etc. No two people respond identically to the same stimuli. In tribal societies, hunters prized fresh liver above all else, and it was eaten first by the highest ranking members of the community. I will tell you exactly what foods to avoid and which to consume as we go. If you already have a solid foundation of how diet and nutrition are linked to acne, feel free to skip ahead: At its core, acne is largely a nutritional and dietary disease. Eating liver consistently eliminated those things for me because of it's amazing Vitamin A (Retinol) content. The American Academy of Dermatology says that some studies show a possible link between drinking milk and an increase in acne. You may have heard of the gut barrier. The link was strongest for skim milk, followed by whole milk, instant breakfast drink, sherbet, cream cheese, and cottage cheese. The fact that acne appears to be a westernized disease. As I was getting excited because I do have Cod liver oil in my house, I ate some fish, got hives and realized that as I am allergic to fish, I cant take this, so will Algal oil help with hormonal acne as well? With respect to acne, ________ . I simply send out emails every couple weeks to summarize the content I've written. It takes several pills to match the daily serving of liquid, which makes it way less cost effective per ounce. A lot of nervous system issues can arise when a person is deficient in B12. Ive helped over 2,500 people clear their acne naturally. This subject wasnt revisited again until themid 2000s! Sebum production may be influenced by androgens and hormonal mediators, such as sex hormone binding globulin (SHBG) and insulin-like growth factor-I (IGF-I), all of which may be influenced by dietary factors. (19). We regulate our immune system by restoring our gut barrier function, giving support to our gut microorganisms, balancing hormones, and focusing on micronutrients. Blood samples were collected on d0 at start of treatment and then every 28 d. Weekly BW were taken and subcutaneous fat depth (FD) and longissimus muscle area (LMA) were measured at the 10th rib on d 42, 56, 70, and 91. Pre-formed vitamin A (vitamin A in its ready-to-use form) is only found in animal foods like liver, eggs, dairy, fish and offal. The inside-out beauty link. If you are unable to find an answer to your question in any of the articles my team has written please reach out and I will do my best to guide you to the proper information and resources so you can make a thoughtful, informed decision. In the end I realized that an extremely restrictive diet was not necessary for clear skin. The good news is that this restrictive diet is not actually necessary for 99% of people to permanently clear their skin, and over the course of a few months I was able to add back about 90% of my normal diet. It is administered until the disease is brought under control, usually within three to four months. Heres the major takeaway: dairy is bad for acne because it has natural (and sometimes synthetic) growth hormones and anabolic steroids. The grass fed beef liver supplement link . Indeed, studies have shown that an omega 6 to omega 3 ratio of 2-4:1 is beneficial for many diseases including rheumatoid arthritis, asthma, colorectal cancer etc., whereas an excessive amount of omega 6 is linked to chronic inflammation, heart disease, arthritis, and cancer. Therefore, avoiding foods with high glycemic loads should reduce insulin levels and decrease acne. DHA and EPA are both omega 3s. It can also slow down your metabolism, so you don't need as much nutrition to keep you goingincluding vitamin A. - Food To Eat Guide- Foods to Avoid Guide- Meal Balance and Shopping Guide- Supplement Guide. NO MORE FEELING TIRED - Beef Liver is full of Iron, Vitamin A, B12, Copper, Choline and CoQ10. We may earn an affiliate commission when you buy through links on our site. Desiccated beef liver is a perfect source for the development of your muscle. This suggests that an imbalance of omega 6 to omega 3 through diet manifest itself on the skin level. All they contain is dried liver from grass-fed and grass-finished cows raised on New Zealand farms. (47) And perhaps unsurprisingly, research has shown that supplementing with vitamin E orally increases the vitamin E content in human sebum (oil). Vitamin A is a fat-soluble vitamin that can help in every single aspect of the acne-prevention process: The importance of vitamin A cant be overstated. when it comes to animal foods that are high in retinol vitamin A, read more about why zinc is amazing for your skin here, An unbalanced gut microbiome from eating grains or dairy can lead to an overactive immune system. These were both published more recently (2012). Because of this, I highly recommend that anyone struggling with acne begins to incorporate liver into their diet. Designed by Elegant Themes | Powered by WordPress. (, Another longitudinal questionnaire involving 6,094 adolescent girls found a positive association between acne and the consumption of whole milk, low-fat milk, and skim milk. I spent all my money on Shea moisture products bc my co-worker swears by it. I used Green Pasture religiously until there was some controversy about their products being rancid. One of the nuances when it comes to meeting your nutritional needs on a plant-based diet is absorption. Scientist dont call our gut the second brain for sh*ts and giggles! Keep the fruit intake below 4 servings a day. How to Grow a Beard With Rogaine: The Scientific Guide. It all started in the 1960s with a study that examined the effects of eating chocolate and acne. (72, 73, 74). From my research, I would also recommend cod liver oil rather than fish oil or fermented cod liver oil. . when you said that probiotics helped with your mental wellbeing, i was just wondering if you meant if it helped with depression you were experiencing, and do you know for sure it was the probiotics that caused the change? Turns out a lot of foods can disrupt hormones. On the flip side, some cod liver oil can be low quality, and the fatty acids in them can be rancid, triggering inflammation and acne. Blot them dry with paper towels. Just awful. Beta-carotene is a precursor to vitamin A, meaning that it needs to be converted to vitamin A in the liver before it can be of any use to the skin or other organs. ), Vegetable Oils (Soybean Oil, Sunflower Seed Oil, Safflower Oil, Canola oil, Grape Seed Oil, Evening Primrose Oil, Blackcurrant Seed Oil, Hemp Oil, Olive Oil, Corn Oil), Fish (Mackerel, Salmon, Tuna, White Fish, Sardines, Anchovies, Halibut, Herring, Trout). Vitamin A is also critical vitamin for immune system regulation - pretty important when it comes to recognising infection, managing inflammation, repairing cells and keeping the skin cells functioning as they should. (, A 12 weeks study with 43 male participant with mild to moderate acne found a low glycemic diet high in protein reduced acne. There are only a few negatives to eating cod or beef liver. You may not know that their structure and function is really quite similar and requires a lot of the same nutrients to function well. What this means is that were missing out on the single best source of bioavailable vitamin A. MeSH terms Acne Vulgaris / drug therapy* Thats the problem with acne and diet. Sorry to ask so many questions but I enjoy your site . Dermarolling Explained (8 Studies): Everything You Need to Know in 2020! (The red marks left behind from old acne.) One teaspoon of cod liver oil contains approximately 4,500 IUs of vitamin A, which is about half that of beef liver. Chop up your Grass-fed Beef Liver into half inch x half inch cubes. What actually causes acne (hint: its not dirt, sweat, or poor hygiene)? Taken in appropriate doses, oral use of milk thistle appears to be safe. A food frequency questionnaire involving 47,355 young ladies in high school, found a positive association between dairy intake and acne. , Just wanted to say I love your blog and we all appreciate your hard work and scientific approach to beating acne , The role of insulin made me think: maybe you can also clear your skin with meditation? In terms of of eating your vitamin A, up to 10 000IU of vitamin A (the equivalent of 3mg) is considered to be the safe upper limit for daily consumption of vitamin A (upper limits are usually conservative, with the lower limit being the absolute minimum required to sustain life, not necessarily thriving health). Sources of Biotin. For years . Cool. The nutrients that Beef Liver is full of are the key nutrients that keep our brains healthy, from the essential fatty acids EPA, DHA & AA to the large amounts of vitamin B12 that it has. Heres an extensive list of foods with their respective glycemic index numbers. (12,13) Insulin being thehormone produced by the pancreas, whichbasically keeps your blood sugar levels in check. This means its entirely possible there are other confounding variables skewing the results. Take one to two per day. Some people do this (frozen tablet) with raw liver, however cooking it does not change the nutrient profile too much & protects against any unwanted bacteria. (14,15,16, 17) Specifically by increasing sebum production and keratinocyte proliferation. And what about Omega 3 fats with these two products which one is better? Acne lesions (especially when broken open by picking or pus) are open wounds on the skin! But I realise that dietary clinical trials are the biggest PITA to run and the results arent coming out anytime soon so this is a nice way to educatedly guess some things that might plausibly work before youre too old to have acne . This is what a 45-year-old lady in Makati and a 17-year-old boy from Alabama found in the year 2003. How come you recommend cod liver oil with higher DHA content? Im curious if youve heard of any of this research and if you have thoughts on it? Acne rosacea is a red pimply rash that affects the cheeks and sometimes the chin and usually first presents in women in their 30s. Some people wholeheartedly believe in the acne and diet connection; others are somewhat skeptical about this entire holistic approach. As a last ditch effort I decided to try an extremely restrictive diet recommended by a close friend with an autoimmune disease. Most people already know about vitamin C and zinc but vitamin A is no slouch! or does just being outside regardless of sunscreen help? Since we know vitamin A deficiency is one of the main causes of acne, this is another way people may experience clearer skin from cod liver oil, even though it's . Beef Liver Capsules give you all the benefits without the nasty smell and taste. Fun fact #2: theres also some evidence that flaxseed oil helps with multiple sclerosis. Each has their own unique benefits when it comes to your health. Slice it up into about 1cm thick slices. Beef Liver: Benefits, Nutrition & How to Eat, Beef Liver Supplements: Desiccated Liver Capsules, Tablets,, Carnivore Diet Bodybuilding & Muscle Gain. It makes sense that upwards of 50% of all Americans are deficient in vitamin Aand that people with acne tend to have much lower retinol levels than people without acne. a study that reviews and combines all other studies) found an association between acne and dairy consumption. Two more things that are bad for acne. For example, lets consider the most nutritiously dense food on planet earth: f*cking beef liver. Beef liver contains high levels of vitamin A and vitamin B12, which are both great for collagen production and making skin less oily.