Carnivory: How Amber transformed her health with a meat-only diet


Amber started having issues with weight around the time she went to university. Although she followed a strict vegetarian diet and exercised, she simply couldn’t get control over her weight. But then an exchange in Russia introduced her to the benefits of eating more meat and caused her to question what constitutes a healthy diet.

Since the beginning of 2009 she has been following an even stricter version of keto: a carnivore diet. It has helped her shed post-pregnancy weight that was hard to lose with the low-carb diet that had worked so well previously. But even more importantly, the zero-carb diet alleviates all symptoms of her bipolar II disorder. 

The carnivore diet has grown in popularity this year, and more and more people are trying it. But fewer have followed it long term like Amber. Have you considered trying the diet, but are unsure of how to implement it or whether it would benefit you? Then read on. Amber’s story might inspire you to try it.

Before going to Russia, Amber decided that her plant-based diet would be too hard to follow during the exchange and that it would be best to simply eat whatever her host family served. That turned out to be a diet rich in meat and animal fat. And to her great surprise she found that she lost weight effortlessly for the first time.

She had heard about low carb and Atkins before, but she had always deemed the diets crazy. Because of her experience in Russia, she bought herself a copy of the low-carb classic Protein Power, dove right into the diet and lost 30 pounds (14 kg). Ever since then she has been on some form of LCHF regimen.

From keto to carnivore

After Amber’s second pregnancy she couldn’t get the weight off with the low-carb diet that had worked before. She was probably close to 200 pounds (91 kg), but had stopped weighing herself at that point due to frustration. She knew so much about the keto diet and was convinced that it was the right way to eat, yet the weight wouldn’t budge.

She started reading about people doing all-meat diets in low-carb forums. And at a wit’s end, she decided to give it a try at the beginning of 2009. She initially thought it would be a short-term thing to get the weight off. 

She immediately started losing weight, almost a pound (0.5 kg) per day for the first couple of weeks. And to her great surprise, all symptoms of her bipolar II disorder went away after a couple of weeks into the diet. Shortly after that she found out that she was pregnant, and decided to quit all psychiatric medications. 

Knowing how the all-meat diet affected her mood, she initially tried to stay on plan. But due to severe nausea and carb cravings, she didn’t stay strict with the diet. After giving birth, however, she didn’t go back to taking medication, certain that she could manage her psychiatric disorder by following a carnivore diet.

Amber’s carnivore lifestyle

When Amber first started the diet, thinking that it would be a short-term thing, she only bought steaks. Today she eats a greater variety of foods, beef primarily, but also pork, chicken, eggs, fish, shellfish and lamb. Some staples she mentions are ground beef, steaks, chops, ribs and chicken thighs or legs. She also discovered duck breast quite recently – a fattier cut than chicken breast.

She tries to stay away from dairy as much as possible, even though it doesn’t have an impact on her mood. Nevertheless, she has discovered that it makes her hungrier and not as satisfied with other foods. If she eats out or goes to an event she may have some cheese.

Coming from keto ways of eating, we’re often used to adding fats to our meals to stay in ketosis. I ask Amber if she still does that on her carnivore diet. She answers that she sometimes adds lard or tallow, but clarifies that she has found that her results in terms of weight and mood don’t depend on it, as long as she’s strict with her carnivorous diet.

Amber has a strong belief that if you’re not feeding something that causes harm, then your appetite will regulate itself. That’s why it’s crucial to respect hunger signals on the diet – eat when you’re hungry and stop when you’re full. Following that principle, she usually ends up eating two meals per day.

Does she ever cheat or go off the diet? Every now and then she eats some Baker’s chocolate. She might have a few pickles, or wasabi, ginger and radish if she eats sashimi. Otherwise she doesn’t do a lot of experimentation and stays strict, knowing that symptoms which she manages with carnivory may come back. 

She recalls one time when she out of curiosity mixed psyllium husk with her coffee, hypothesizing that pure fiber wouldn’t cause any problems (in contrast to more potent chemicals plants use to defend themselves). Within a few hours she had a severe psychiatric response – feeling agitated, unfocused and couldn’t stop crying. 

For the first five years on carnivore, Amber didn’t drink any alcohol. In 2014 she tried some pure spirits and found that it didn’t affect her much, but she notes that her tolerance is lower on a zero-carb diet. Nowadays, she may drink some wine or spirits, but rarely does.

What about exercise? Amber does some strength training, but her interest in exercise has come and gone over time. She explains that it’s not necessary to exercise on a carnivore diet, but it is healthy and she enjoys movement.

Should you try the diet?

Amber mentions two categories of people who she thinks could benefit from trying the carnivore diet. The first category is people who are still suffering from digestive, mood or autoimmune disorders on a keto diet. She says that there can be a surprising difference between a few and no plants in the diet, although some plants are more likely to cause problems (like gluten-containing grains). By removing all plant foods, you can easily sort out which ones cause disturbances if you choose to reintroduce them. The second category is people who simply enjoy self-experimentation.

Once you’ve decided to try the diet, are you better off jumping right in or gradually reducing carbs? For most people the best thing would be to start out strict, otherwise cravings may linger for longer. But if you know that you are better off cutting things out gradually, then by all means do that.

Otherwise, Amber has a few additional tips for anyone starting the diet. Commit for a span of time like three weeks. Don’t start with the mindset that you have to be a carnivore in perpetuity. You just want to learn as much about your body as possible and get rid of confounding factors. Follow your hunger and have an open mind.

Final thoughts

I ask Amber if she feels restricted on a carnivore diet. She says that she does sometimes, for instance when she’s traveling and wants to try the local cuisine. But the freedom and empowerment from knowing that you can eat this way and feel the best you’ve ever felt is greater. For other people who don’t make the connection between their diet and health issues, it can be like riding on a bumpy ocean and not knowing what caused the problem.

In the end, Amber believes carnivory is about what is working for you and not about being a purist or following an ideal. If after going carnivore for a while you are finding that you don’t react to iceberg lettuce, then that’s great for you and you can just simply keep on eating it.

More with Amber

Twitter: @KetoCarnivore
Facebook: The Ketogenic Diet for Health
Patreon: L. Amber O’Hearn
Websites: and
Instagram: @ambimorph

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  1. Mandy
    The proof is in the numbers. Can't wait to see what December Brings!
    218 lbs ☠️
    6.5 A1c ☠️
    239 Triglycerides ☠️
    168 Cholesterol ?
    47 HDL?
    73 LDL ?

    193lb ?
    5.9 A1c ?
    57 Triglycerides ?
    133 Cholesterol ?
    46 HDL?
    76 LDL ?

  2. Carmen
    I came to this website through Dr Fung's book "The Obesity Code" and what I admired the most about this book was the scientific aproach to dieting. Right now I am doing intermittent fasting and I follow a relatively loose low carb diet. I lost more than 15kg through this and I feel fine. This website helped me and motivated me but I am growing more and more wary about the way a low carb diet is promoted on this blog, especially such a strict diet as zero carb. Saying that this person has 'cured' her bi-polar disorder by eating only meat and therefore clearly encouraging other people with mental disorders to go on this diet as well and possibly even stopping their medication is irresponsible and ethically wrong for a site who has 'doctor' in its name and claims to be all about health. You are not even mentioning any downsides to this diet, you are only mentioning positives. I cannot believe that a diet consisting only of meat is not lacking severely in necessary minerals, vitamins and fiber. If you feel the need to write about carnivory please also mention some possible problems with this diet otherwise this comes across as terribly biased and that makes this blog less believable in my eyes.

    The reduction in symptoms through the carnivory diet and the uncontrollable mood swings through taking psyllium husk could simply be explained by a placebo effect. Without a scientific study I don't think anybody should report so uncritically about such an important health issue. Please rethink how you write about issues like mental health and diet.

    Reply: #4
  3. rosie
    I don't think the suggestion here is for anybody to drop taking their meds and go on a zero carb diet. This is an experience that Amber, in this case, has had over many years on a zero carb diet. I think it's interesting to share and hear different experiences. I have a son with Bipolar and he is trying the zero carb diet, although there is a bit of 'carb creep', he is finding he is feeling more happy and contented and its only been a week! He would not have tried this way of eating without someone sharing their experience. Thank you Diet Doctor for making this and other information available so we can all take responsibility for our own health .
  4. Lisa
    This is only the second positive report I've read of eating a zero carb diet. Interesting report, but lacking in important details. How do we know this diet is healthy for Amber? She lost weight and her bipolar disorder is now in remission, both positive results, but how is she doing otherwise? How have her lab test results changed over time? How's her blood pressure? Why does she believe she doesn't need to exercise? And since she's removed all plant based foods from her diet, what's happened to the balance and diversity of the microbes in her microbiome? I'm also wondering what she ate prior to switching her current diet. She reports previously eating a "strict vegetarian" diet, but that doesn't tell me if she was eating a healthy or unhealthy diet. I wish those who have serious chronic conditions such as bipolar disorder had better access to healthcare practitioners who can do the investigative work needed to determine the root cause of her health issues.
  5. Craig
    I am 57 and pre-diabetic (insulin resistant), which I had got under control after 12 months on strict keto. I was able to stop all meds. Then I tried the carnivore diet for 5 months and found I started having all the major problems of insulin I had before. Abdominal fat, hunger, hypoglycemia, double vision, tingling, sleep problems, heart thumping, blood pressure etc. So I had to stop and go back to keto and fasting. And the symptoms are going away slowly.

    I understand protein raises insulin by a factor of 54%. For an insulin resistant person like me, that seems to be a real problem. I like the carnivore diet but don't want the symptoms.

  6. Mary B.
    I agree with Carmen. I'm on a fairly low carb diet. On a stricter diet I lost 46 pounds in a year. I'm going to try to lose about 20 pounds more and start again in the fall. I give my body a break. I'm also bipolar II. I hardly take any meds now but I don't think it would be good to go down to zero meds for bipolar. The meat diet would leave me constipated with no fibre etc.

    Thank you for posting this story. An interesting read.

  7. Kerstin
    For those questioning the diet - there are actually several people who have written about an all-carnivore diet, and shown that it can be very healthy.
    Dr. Georgia Ede has written quite a few articles showing how vegetables are not necessarily as healthy as they are purported to be, and there are more studies showing how meat is actually healthier than it is portrayed. What changes when you go to zero-carbs is that the requirements of certain vitamins change as well, as some nutrients are now absorbed much differently.
    Amber has 2 websites, and if you visit her website she actually has done research on this way of eating and how it is nutritious for some, although maybe not often noted, your mileage may vary with any way of eating, it is simply a matter of figuring out if it works for you or not.
    Oh, and Dr. Ken Berry is also currently experimenting with the carnivore diet...
  8. Debra
    In the article it states " it is about finding out what works for you ". She would have to write a whole book not a summary article like this one to answer all the questions or concerns. She does not state anywhere about recommending people go off meds. she is stating her experience only. Amber, great job!!! This works for you. You found out through self experimentation what you can and can not do. There are a lot of people out there who also benefit the same way all the power to you!! It is about listening to your body and not following the dogma we have been taught for years....some very misleading and not scientific information. If this is not your bag then go full is about what works for you!!! We are all different genetically!!
  9. DJ
    Fiber is totally unnecessary for health, since removing all plant foods I have never had constipation, bloating or gas and I constantly did previously
  10. Juli
    I love the information available through Dr Ken Berry with complete blood workup every 6 months to back it up. Also, dont demand that an author of a story prove it to you, do your own research and write your own paper. Then you can make it out to be the big bad wolf if you so desire. I have no symptoms left of my Bipolar 2 disorder, by the way and I am much kinder generally speaking, these days. *shrug* work it out for yourself. There's plenty of places to get the information that is reliable.
  11. 1 comment removed
  12. Dianne
    Charlene Anderson and her husband have been carnivore for about 20 years with amazing results. It’s not for everyone but from what I’ve been reading and listening to there is compelling evidence that many people who eat Carnivore experience stunning health. I started keto January 2019, became meat heavy keto in about 5 months and now almost total carnivore. I am having blood work done every 6 months. I just had my labs done and they were great. I’m grateful for this website and their courage to explore and give voice to those who suffered on the SAD diet for years. I’m glad they are sharing Carnivore as well. If you ever listen to Amber O’Hearn’s podcasts you’ll know she is a highly intelligent woman who has done her homework.
  13. Mary Jo
    Please stop the criticism. This is one person’s point of view. If it doesn’t appeal to you, then don’t do it. I stared carnivore last month. MY results are 20lb weight loss AND… absolutely no more back pain after 3days of carnivore. I will never go back. I’ve had chronic lower back pain for 10yrs. Herniated disc and degenerative disc disease. Acupuncture helped some but nothing like this. My husband is amazed. I didn’t even know that was a side effect until I researched and saw many people getting relief from joint and back pain. I would rather be pain free than eat fruits and veggies. I think anyone with chronic pain should start by eliminating nightshades sugar and grains. Keto has too many substitutes that keep on the carb craving train. I’m not even a fan of beef and now my body craves it. For reference I eat meat dairy seafood eggs coffee most spices. If and when I ever try a sweet treat it will be Greek yogurt with a touch of raw honey.
    But that is NOT carnivore. I’ve had liquid stevia in my coffee with no reaction. Do what works for your body

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