24/02/2026
🥩 The Carnivore Diet: Hype vs. Evidence
The carnivore diet is trending again, with influencers promising weight loss, better energy, and improvements in chronic conditions. But what does the research actually show?
🔍 What we know so far:
• The diet includes only animal-based foods and excludes all plant foods.
• High quality research is extremely limited — most claims come from anecdotes, not controlled studies.
• One of the few published investigations is a large self reported survey of 2,029 adults following a carnivore diet for more than six months. Participants reported weight loss and improvements in some chronic conditions — but the study had major limitations, including:
1. Recruitment only through social media
2. No data from people who quit the diet early
3. All outcomes were self reported with no objective measurements
• You can read the study here:
Lennerz et al., 2021 — “Behavioral Characteristics and Self Reported Health Status among 2029 Adults Consuming a Carnivore Diet”
https://pubmed.ncbi.nlm.nih.gov/34934897 (pubmed.ncbi.nlm.nih.gov in Bing)
• When researchers tried to maximise the nutritional quality of various fad diets, the carnivore diet scored the lowest on the Healthy Eating Index.
• It may provide adequate amounts of some nutrients, but is low in thiamin, magnesium, calcium, vitamin C, folate, and potassium.
• Fibre intake is extremely low, and sodium can be high — especially if processed meats are common.
💡 Bottom line:
There’s not enough evidence to support the carnivore diet as a healthy long-term choice for the general population. Restricting entire food groups can create nutrient gaps, raise health risks, and make long term adherence difficult. A personalised, balanced approach — including adequate protein without extreme restriction — is far more aligned with what we know supports long term health.