Function Membership

Why we vetted this for natural testosterone

• Comprehensive lab panel helps surface hormone-related biomarkers without adding new exposures.
• Follow-up testing and trends support lifestyle adjustments grounded in measured data.
• Clinician summaries and an insights dashboard encourage practical, evidence-aware next steps.

What we look for on this product

• Clear scope and pricing for 100+ baseline labs and scheduled re-tests.
• Explicit “information only” positioning—use results with your licensed clinician.
• Published privacy terms for consumer health data and options to access/export results.

Straight talk

• Useful for seeing where you stand and tracking change; real value comes from pairing results with a qualified professional and sensible daily habits.

Transparency & Disclaimers

We independently select and vet products; if you buy via our link, we may earn a small commission at no extra cost to you. Ingredients, labels, and formulations can change—always check the packaging before use. This information is for educational purposes and isn’t medical advice; consult a qualified professional for personal guidance. If you have sensitive skin, patch-test first and discontinue if irritation occurs. Prices and availability may change without notice.

Last checked: September 16, 2025