Mediterranean Diet vs. Keto: Which Is Better for Weight Loss and Health?
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Keto and the Mediterranean diet are two of the most popular ways to eat for weight loss and health. They look very different: keto cuts carbs to a minimum, while the Mediterranean diet includes whole grains, beans and fruit. So which one is better? It depends on your goals and what you can stick with.
The two diets at a glance
| Keto | Mediterranean | |
|---|---|---|
| Carbs | Under 50 g a day | Whole grains, beans and fruit daily |
| Fat | 70–80% of calories | Moderate to high, mostly olive oil and nuts |
| Main proteins | Meat, fish, eggs, cheese | Fish at least twice a week; little red meat |
| Ease of sticking with it | Strict | Flexible |
Weight loss
Keto often produces fast weight loss at first. But according to Harvard T.H. Chan School of Public Health, keto’s advantage over other diets is small (about 2 pounds at one year) and after a year results are similar. Harvard also notes that people following the Mediterranean diet in one study maintained their weight loss over six years.
Heart health
The Mediterranean diet has some of the strongest evidence of any eating pattern. In a study of nearly 26,000 women, those who followed it most closely had about 25% less risk of cardiovascular disease over 12 years. The PREDIMED trial found a Mediterranean diet with extra olive oil or nuts reduced deaths from stroke by roughly 30%. Keto, by contrast, can raise LDL cholesterol in some people because of its high saturated fat.
Blood sugar
Both diets can improve blood sugar. A Stanford-led trial (Keto-Med) that had people with prediabetes or type 2 diabetes try both diets found similar improvements in long-term blood sugar, but keto was lower in fiber and harder to maintain. If you take diabetes medicine, talk to your doctor before starting either diet.
Which should you choose?
- Choose Mediterranean if you want a flexible, long-term way of eating with strong heart-health evidence.
- Choose keto if you prefer very low-carb eating, want quick early results, and your doctor agrees.
- Either way, the best diet is the one you can keep up for years.
Kitchen staples for both
- Extra virgin olive oil, a staple of both diets
- Mediterranean diet cookbook
- Keto cookbook
- Unsalted mixed nuts for snacks
Related reading
Sources
- Harvard T.H. Chan School of Public Health: Ketogenic Diet
- Harvard T.H. Chan School of Public Health: Mediterranean Diet
- Keto-Med randomized crossover trial (PubMed)
This article is for information only and is not medical advice. See our Medical Disclaimer.
