New Expert Review Out Now — Read the Facts →

Our Reviews

Reviews You Can Rely On

We go beyond star ratings and summaries. Every review is built on hours of research, scientific scrutiny, and a transparent scoring system—so you know exactly what’s fact, what’s speculation, and what’s worth your time.

Sort by

78%

Outlive

53%

Intuitive Eating

48%

The Diabetes Code

93%

Everything Fat Loss

68%

How Not to Diet

55%

Metabolical

84%

The Proof is in the Plants

74%

The Art and Science of Low Carbohydrate Living

78%

Fast 800 Keto

53%

Anti-Diet

52%

Why We Get Sick

59%

The Pegan Diet

40%

The Salt Fix

66%

The Ultimate Volumetrics Diet

38%

The Carnivore Code

97%

Eat, Drink, and Be Healthy

48%

Eat Fat, Get Thin

61%

The End of Alzheimer’s

39%

Eat Right 4 Your Type

66%

Eat to Beat Disease

60%

The Obesity Code

64%

The China Study

49%

The Plant Paradox

86%

The Good Gut

82%

The Longevity Diet

49%

The Bulletproof Diet

44%

Grain Brain
Donate
As a nonprofit, Red Pen Reviews relies on reader donations to make high-quality reviews and publish them free of charge. Your support makes this possible.
Get the Latest Reviews Straight to Your Inbox
Be the first to know when we publish new reviews. No spam.