Best Supplements for Athletic Performance

Optimal athletic performance depends on cellular energy availability, adaptogenic stress resilience, and micronutrient sufficiency. Research suggests that Creatine, Ashwagandha, and Magnesium each support distinct aspects of healthy physical performance, endurance, and recovery. FormulaForge ranks every ingredient by the bioavailability of available forms — because form determines efficacy.

Updated 2026 · Reviewed by Dr. Brennan Commerford, D.C.

Research-Backed Ingredients

Frequently Asked Questions

What supplements may support healthy athletic performance?

Creatine Monohydrate, concentrated Ashwagandha extracts (KSM-66 or Sensoril), and Magnesium Glycinate are among the most studied ingredients for supporting healthy strength, endurance, and recovery in active individuals. These supplements are not intended to diagnose, treat, cure, or prevent any disease.

Is creatine safe for regular use?

Creatine Monohydrate is one of the most extensively researched supplements in existence, with a well-established safety profile at standard doses (3–5g/day). It is not a stimulant and does not pose the risks associated with stimulant-based performance supplements. Consult your healthcare provider if you have kidney concerns.

How does ashwagandha support athletic performance?

Ashwagandha is an adaptogenic botanical traditionally used to support the body's response to physical stress. Clinical research on concentrated root extracts (KSM-66 in particular) suggests it may support healthy VO2 max, strength output, and recovery. These are structure/function claims — ashwagandha is not a treatment for any medical condition.