
Nicotinamide Riboside (NR)
NAD+ precursor with excellent bioavailability for cellular rejuvenation.
Why Nicotinamide Riboside (NR).
Highly bioavailable NAD+ precursor
Extensive clinical safety record
Muscle and metabolic health support
Cognitive and neuroprotective benefits
About Nicotinamide Riboside (NR).
Nicotinamide Riboside (NR) is a form of vitamin B3 and a highly bioavailable NAD+ precursor. Like NMN, it boosts cellular NAD+ levels, activating sirtuins and supporting metabolic health, muscle function, and cognitive performance. NR has an extensive clinical trial record for safety and efficacy.
How it works.
From intake to your first dose — four straightforward steps.
Complete intake
A brief health questionnaire reviewed by our clinical team. Takes about 5 minutes.
Provider review
A board-certified clinician reviews your history within 48 hours.
Compounded & shipped
Your prescription is compounded in a licensed US pharmacy and shipped to your door.
Ongoing support
Telehealth follow-up to adjust your protocol as needed.
Ready to start Nicotinamide Riboside (NR)?
Complete a brief health intake and a licensed provider will review your request within 48 hours. No commitments.
All prescriptions are issued at the sole discretion of licensed providers. Protocol Health Rx does not guarantee prescription approval.