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Health Conditions

20 evidence-based supplement guides. What works, what is debunked, and dangerous drug interactions for each condition.

ADHD & Focus

L-theanine + caffeine for focus, omega-3 for ADHD kids, and why Prevagen has zero credible evidence.

6 supplements reviewed

Anxiety & Stress

L-theanine for calm without sedation, ashwagandha (62% fail testing), and why kava can destroy your liver.

15 supplements reviewed

Athletic Performance

Creatine monohydrate is king. Beta-alanine, caffeine, and why BCAAs are a waste if you eat protein.

6 supplements reviewed

Blood Sugar & Diabetes

Berberine, chromium, and alpha-lipoic acid evidence. Drug interaction risks with metformin and insulin.

18 supplements reviewed

Energy & Fatigue

Fix deficiencies first (iron, B12, D, magnesium). Most energy supplements are just caffeine in disguise.

6 supplements reviewed

Eye Health & Vision

AREDS2 formula for macular degeneration. Lutein and zeaxanthin dosing. Blue light supplement myths.

6 supplements reviewed

GLP-1 & Ozempic Support

All GLP-1 patches are scams. Berberine is not Nature's Ozempic. What actually helps with GLP-1 side effects.

6 supplements reviewed

Gut Health & Digestion

Probiotic strain specificity matters. Most products pass testing but strain selection is everything.

17 supplements reviewed

Hair, Skin & Nails

Biotin only helps if deficient (rare). Saw palmetto for DHT. Iron and zinc deficiency checks first.

6 supplements reviewed

Heart Health & Cholesterol

Fish oil, CoQ10 for statin users, and why red yeast rice IS a statin. Bergamot and niacin evidence.

9 supplements reviewed

Immune Support

Vitamin D, zinc, and elderberry evidence. Vitamin C is overhyped. Echinacea data is weak.

6 supplements reviewed

Inflammation

Curcumin bioavailability matters enormously. Fish oil EPA, boswellia, and why turmeric powder is useless.

6 supplements reviewed

Joint Pain & Arthritis

Glucosamine evidence is mixed. Boswellia and collagen peptides show promise. Arazo had empty pills.

6 supplements reviewed

Memory & Cognition

Omega-3 DHA for brain health, lion's mane emerging data, and why Prevagen is debunked pseudoscience.

6 supplements reviewed

Menopause & Hormones

Black cohosh for hot flashes, phytoestrogen evidence, and dangerous interactions with HRT.

6 supplements reviewed

PCOS

Inositol evidence for PCOS, berberine for insulin resistance, and vitamin D optimization.

6 supplements reviewed

Pregnancy Nutrition

Folate vs folic acid, iron needs, DHA for fetal brain. Supplements to avoid during pregnancy.

6 supplements reviewed

Sleep & Insomnia

Melatonin dosing (lower is better), L-theanine, magnesium glycinate, and why GABA supplements are useless.

20 supplements reviewed

Thyroid Health

Ashwagandha stimulates thyroid (dangerous with Hashimoto's). Selenium, zinc, and iodine nuances.

6 supplements reviewed

Weight Loss

No supplement causes significant weight loss. 67% of products failed testing. Multiple contained banned stimulants.

6 supplements reviewed

Reviewed by the Scan Dose Research Team and Clinical Advisory Board

These statements have not been evaluated by the FDA. This content is not intended to diagnose, treat, cure, or prevent any disease.