





Momentous
Momentous Longevity
Momentous Longevity is a formula designed to support your body at the cellular level. Combining six bioactives—Niagen® Nicotinamide Riboside, NAC, Betaine, PQQ, Vitamin C, and B Vitamins—Longevity goes beyond NAD⁺ to support core functions of cellular health: energy production, stress resilience, DNA integrity, cellular system balance, and brain health. NSF Certified for Sport®, this daily formula supports a strong, sharp, and resilient body.
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More HSA/FSA-Eligible Products from Momentous
See allHow to Buy Momentous Longevity with Truemed
Make your purchase
Do not pay with an HSA/FSA card during checkout. After your purchase, check your confirmation screen or receipt email for a link to the Truemed survey.
Complete health assessment
Take a private health survey. A licensed provider will review your answers to determine eligibility. If eligible, you'll receive a Letter of Medical Necessity (LMN) within 1-2 days. Note: The survey must be taken on the same day as your purchase.
Submit for HSA/FSA reimbursement
Follow the guide included with your LMN to submit your purchase for reimbursement. Claims are usually paid out in 2-4 weeks.

Your health, your savings
All products on Truemed are HSA/FSA eligible for qualified customers — so you can invest in what matters without the out-of-pocket cost.




