Naturally optimize your testosterone.

Anvil tracks the daily habits that shape your hormones, scans what you eat, and turns optional bloodwork into a personalized testosterone estimate — all grounded in published research.

Anvil home screen showing a Daily Score of 78 and today's focus areas

Every score and recommendation is backed by published research — no bro-science.

A testosterone estimate that evolves with your habits.

Anvil estimates your testosterone as a range that updates as you log — never a single hard number. Upload a morning blood draw to calibrate the estimate to your personal level.

Progress screen showing an estimated testosterone range and trend over time

Scan your food, products, and body.

Point your camera at a meal, label, or barcode to flag seed oils and harmful ingredients with an instant health score. A body scan estimates your body-fat range and feeds your Daily Score.

Food scan analyzing a meal with a health score and ingredient breakdown

How Anvil estimates your testosterone

Your natural ceiling

Genetics and physiology set the range your body can reach.

Your daily habits

The part you control — the lifestyle factors Anvil scores every day.

Your bloodwork

Optional lab draws calibrate the estimate to your personal level.

Anvil's Daily Score is based on modifiable lifestyle factors and published research; a score of about 65 is roughly average. Anvil is a lifestyle optimization tool, not a medical device, and does not diagnose, treat, or prevent any condition. Always consult a healthcare provider.