How to think about stacking.

Supplements don't work in isolation. A few principles help you avoid common mistakes and get more out of what you're already taking.
—01

Food is still first.

Supplements are named correctly. They supplement a real diet — they don't replace one. Protein, vegetables, and sleep do the heavy lifting.
—02

Consistency beats dose.

A modest dose taken daily for a year outperforms a perfect dose taken three days a week. Pair supplements with existing habits.
—03

Quality is not optional.

Look for third-party testing — NSF, USP, Informed Sport, IFOS. The industry is unregulated; testing is how you verify the label.