Protein Powder

This article reviews the best evidence-based supplements for building muscle after 40, including protein powder, creatine, and HMB. Learn how to optimize your supplement routine for maximum muscle growth.

An evidence-based comparison of whey and plant protein powder — amino acid profiles, muscle building, digestion, and who each is best for.

Our top protein powder picks for women, including the best whey, plant-based, and clean-label options for 2026.

Learn how to choose the best protein powder for muscle gain, backed by scientific research and evidence-based recommendations from the International Society of Sports Nutrition (ISSN) and other reputable organizations.