4 min read · Marco Devlin
Synergy: take fat-soluble vitamins (D3, K2) with a meal that contains fat. Take magnesium and ashwagandha in the evening for relaxation.
Antagonism: zinc and calcium compete for absorption — space them a few hours apart. Iron and zinc also compete, so separate if you take both.
Start simple: a multivitamin, omega-3, and protein covers most people’s bases. Layer additional single nutrients only when you have a specific goal.