Free tools

Calculators for clinic conversations

Run BMI and protein estimates in seconds. Results are free — optionally share your details for a PureVital follow-up summary.

BMI calculator

Instant body-mass index from height and weight, with healthy-range context for clinic conversations.

Open calculator

Protein calculator

Estimate daily protein needs from weight, activity, and goal — useful for metabolic program counseling.

Open calculator

These tools are educational for licensed clinics and visitors. They do not diagnose, treat, or replace professional medical or nutrition advice. PureVital supplies a professional supplement / wellness formulary — not regular medicines.