Ingredients
Evidence-based profiles of individual supplement ingredients: benefits, dosage, safety, and the limits of current research.
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Zinc After 60: Immune Benefits, the Right Dose, and Why More Is Worse

Collagen After 60: Does It Work? An Honest, Evidence-Based Review
Collagen supplements promise younger skin and pain-free joints. We reviewed the clinical research to see what adults over 60 can realistically expect.

Calcium After 60: How Much You Need, and the Honest Truth About Heart and Kidney Risks

Probiotics: Evidence-Based Benefits, Strains, and Safety
Probiotics can help with specific problems, but only the right strain at the right dose. Here is what the evidence actually supports, why the strain on the label matters more than the CFU count, and how to avoid the industry's favorite tricks.

Omega-3: Evidence-Based Benefits, Dosage, and Safety
Fish oil is one of the best-selling supplements on earth, and the science behind it is genuinely split down the middle. Omega-3s reliably lower triglycerides, but beyond that the biggest heart trials disagree with each other, the brain and eye claims mostly failed when tested directly, and the market is full of rancid oil, inflated pharmaceutical grade claims, and krill oil priced like a luxury good on a thin evidence base.

Whey Protein: Evidence-Based Benefits, Dosage, and Safety
Whey protein genuinely works for muscle and strength, which makes the scams around it harder to spot. Here is what the evidence supports, what it doesn't, and how to buy it safely.

Creatine: Evidence-Based Benefits, Dosage, and Safety
Creatine works for strength and power, which makes the myths and scams around it harder to spot. Here is what the evidence supports, what it doesn't, and how to buy it safely.

Vitamin D: Evidence-Based Overview, Benefits, Safety, and Dosage
Evidence-based overview of vitamin D benefits, dosage, safety, and research.

Magnesium: Evidence-Based Overview, Benefits, Safety, and Dosage
Evidence-based overview of magnesium benefits, dosage, safety, and research.

Turmeric: Evidence-Based Overview, Benefits, Safety, and Dosage
Evidence-based overview of turmeric and curcumin benefits, safety, and dosage.

Ashwagandha: Evidence-Based Overview, Benefits, Safety, and Dosage
Evidence-based overview of ashwagandha benefits, safety, and dosage.