FAQ
Orders, kits, results and supplements, answered.
Measure the NAD⁺ inside your cells, then restore it with oral precursors matched to your result.
Explore 02 · Skin SkinIQA 30-second scan, a Skin Score out of 100, and products matched to what your skin shows.
Explore 03 · Nutrition NutriIQ30 nutrition biomarkers from four drops of blood, so supplements follow your biology.
ExploreEight questions show what you measure — and what you're guessing.
Start the checkQuestions about your order or your next step? Send us a message and our team will reply within one to two working days.
Prefer email? Write to support@bien-etre.ai. Include your order number if your question is about an order.
Orders, kits, results and supplements, answered.
Timelines, costs and how refunds work.
Register your kit before you post your sample.