The Reserve Guide

An open ceramic bowl holding terracotta liquid beside a sealed ceramic jar: iron in circulation and iron in storage

blood test

One line on a lab report counts the iron that is moving. The other counts the iron that is kept. They are not answering the same question.

Jul 30, 2026

OUR PROMISE

The 90-Day Reservoir Guarantee

One full hair cycle to decide.

Hair works in roughly ninety-day cycles. Judging anything sooner is guesswork, so the guarantee was built to reach the honest checkpoint. If the mirror hasn't earned your money by day ninety, email us. We refund you. You keep the bottle.

90-DAY GUARANTEE

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