Short Summary
Main recommendation: Commit to a strict carnivore diet, eating only animal products, for at least 90 days before judging the results, then decide whether to stay or reintroduce plant foods one at a time. Dr. Ken Berry, a family physician, frames the diet as a very low-carb, nutrient-dense elimination diet aimed at chronic inflammation, metabolic conditions, and similar problems.
Key Points
- Start with a clear "why" (for example chronic inflammation, mental health, type 2 diabetes, fatty liver, hypertension, allergies, or severe obesity), since a strong reason helps you push through obstacles.
- Expect carbohydrate withdrawal, which Berry says usually resolves within 3 to 14 days, and possibly temporary diarrhea as your gut microbiome adjusts; he argues these do not mean the diet is harmful.
- Eat until comfortably full, without calorie counting or portion control, in one to three meals within a time window of about six to eight hours, with no snacking between meals.
- Limit dairy to butter, ghee, and occasionally heavy cream (at least 30 percent fat), and avoid cheese during the 90 days because dairy protein can be inflammatory for some people.
- After 90 days, reintroduce foods one at a time as an elimination test, but permanently avoid added sugar, grains, and vegetable or plant oils, which Berry says offer little nutrition and tend to cause inflammation.
Details Worth Noting
- Concrete instructions: Commit to 90 days; eat animal products only (red meat, chicken, turkey, ocean fish, and any eggs, including yolks). Avoid all vegetables, fruit, honey, nuts, seeds, grains, and seed oils. Prioritize fatty red meat at each meal and eat organ meat such as liver about once a week or three times a month. Cook in animal fats such as beef tallow, chicken fat, butter, or ghee. Season with salt, preferably a mineral salt from deep underground rather than evaporated ocean water (Berry mentions Redmond's Real Salt). Drink water, sparkling water, black coffee (optionally with a tablespoon of heavy cream), unsweetened tea without sugar, or homemade bone broth. Eat one, two, or three meals a day only when truly hungry, eating to fullness and then waiting.
- At the 90-day mark, assess how your symptoms have changed, then choose whether to continue. If reintroducing foods, add one at a time and watch for immediate inflammation; drop any food that causes it.
- Berry says he would never reintroduce sugar, grains (including ancient varieties like emmer or einkorn), or vegetable oils.
- Berry says he has been carnivore for almost five years and practiced as a family physician for over 20 years.
- He recommends joining a support group or buddy system, and mentions his own group linked in the show notes as one option.
- Berry notes that bone broth from supermarket cardboard boxes is not what he means; homemade or a legitimate manufacturer is preferred, which he says is expensive.
Bottom Line
The video presents the carnivore diet as a structured, 90-day elimination approach whose long-term future depends on how the body responds to reintroduced plant foods, with grains, sugar, and seed oils ruled out permanently in Berry's view. This is the speaker's personal and clinical perspective and not individualized medical advice; Dr. Berry does not explicitly tell viewers to consult their doctor in this video.





