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The science of food without restrictions. Evidence-based nutrition science that works for results, not restrictions.

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Signs of deficiency
Vitamin D Deficiency: Symptoms, Causes, and How to Restore Your Levels
28 May, 2026 12 min

Vitamin D Deficiency: Symptoms, Causes, and How to Restore Your Levels

By recent estimates, about a billion people worldwide have low vitamin D. In places with limited winter sun—including...

Functions and Role
Vitamin D: What It Actually Does, the Signs You’re Low, and How Much You Really Need
28 May, 2026 14 min

Vitamin D: What It Actually Does, the Signs You’re Low, and How Much You Really Need

National survey data (NHANES) suggests that roughly 4 in 10 American adults are short on vitamin D —...

Nutrition and Sports
Vitamins for Athletes: What Actually Matters (and Whether You Need Supplements)
28 May, 2026 12 min

Vitamins for Athletes: What Actually Matters (and Whether You Need Supplements)

Among recreational athletes — and even some pros — one belief refuses to die: more vitamins means faster...

Brain, Memory, and Vision
Migraine and Diet: Foods That Trigger Attacks and What Actually Helps
27 May, 2026 15 min

Migraine and Diet: Foods That Trigger Attacks and What Actually Helps

Migraine isn’t just a “bad headache.” It’s a complex neurological event — your blood vessels, the trigeminal nerve...

About products
How Often Should You Eat Fish? The Science, the Numbers, and the 12 Best Picks at the Grocery Store
27 May, 2026 12 min

How Often Should You Eat Fish? The Science, the Numbers, and the 12 Best Picks at the Grocery Store

Eating fish regularly is one of the rare nutrition habits that dietitians, cardiologists, and even skeptical researchers tend...

Nutrition and Diets
How to Lower Cholesterol Through Diet: An Evidence-Based Guide to Foods, Principles, and a Sample Meal Plan
27 May, 2026 15 min

How to Lower Cholesterol Through Diet: An Evidence-Based Guide to Foods, Principles, and a Sample Meal Plan

According to the World Health Organization, an estimated 39% of adults worldwide have raised total cholesterol (above 200...

About products
Dark Chocolate vs. Milk Chocolate: What the Science Really Says About Which Is Healthier
26 May, 2026 13 min

Dark Chocolate vs. Milk Chocolate: What the Science Really Says About Which Is Healthier

The global chocolate market tops $130 billion — and two-thirds of every dollar spent goes to milk chocolate....

About products
Mandarins vs. Oranges: What the Science Says About Which Citrus Is Healthier
26 May, 2026 11 min

Mandarins vs. Oranges: What the Science Says About Which Citrus Is Healthier

Every winter, produce sections fill up with two citrus staples: mandarins and oranges. Both are sweet, both are...

Health
Cortisol and Diet: How Food Affects Your Stress Hormone (And What Actually Works)
26 May, 2026 17 min

Cortisol and Diet: How Food Affects Your Stress Hormone (And What Actually Works)

If you’ve ever woken up at 3 a.m. with a racing mind, reached for cookies at 4 p.m....

Energy, sleep, and recovery
Foods for Better Sleep: What to Eat Before Bed (and What to Avoid)
25 May, 2026 7 min

Foods for Better Sleep: What to Eat Before Bed (and What to Avoid)

About one in three American adults struggle with sleep at least a few nights a week — and...

Digestion & GI Health
Dietary Fiber: How Much You Need Per Day, Top Food Sources, and Health Benefits
25 May, 2026 16 min

Dietary Fiber: How Much You Need Per Day, Top Food Sources, and Health Benefits

The average American eats only about 15 grams of fiber a day — roughly one apple, a bowl...

About products
How to Buy the Best Beef, Pork, and Chicken: A Complete Shopper’s Guide
25 May, 2026 11 min

How to Buy the Best Beef, Pork, and Chicken: A Complete Shopper’s Guide

Walk into any supermarket these days and you’ll feel it: meat prices have climbed sharply over the past...

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