NAD3® EXTRA STRENGTH
Doctor’s Recommended Choice
Trusted by 200,000+ customers and backed by 4 published human clinical trials. Read their stories.
NAD3® EXTRA STRENGTH
Doctor’s Recommended Choice
Trusted by 200,000+ customers and backed by 4 published human clinical trials. Read their stories.
Get NAD3® Extra Strength + Starter Kit!
The first NAD+ Booster® Supplement you can actually feel working. Built on the same clinically studied formula trusted by 200,000 people, now with added compounds for effects that are immediate, noticeable, and stronger with every dose!
- NAD3 refills shipped every 30 days
- Skip, pause, or cancel anytime
- FREE avg 3-day shipping today
- 30 Day Money Back Guarantee!
Built for fast, noticeable support while keeping the cellular foundation NAD3 is known for.
Includes clinically studied NAD+ support compounds selected for energy, focus, and healthy aging.
Trusted by 200,000+ customers and backed by published human clinical research.
Immediate, noticeable, and stronger support with every dose.
Built for fast, noticeable support while keeping the cellular foundation NAD3 is known for.
Includes clinically studied NAD+ support compounds selected for energy, focus, and healthy aging.
Trusted by 200,000+ customers and backed by published human clinical research.
Immediate, noticeable, and stronger support with every dose.
Refunds and Returns
High Performance Nutrition, Inc. offers a 30-Day Money-Back Warranty on all HPN products* purchased directly through this site. 30-Day Warranty begins on the date your package is marked as delivered.
*Products from the Ambrosia Collective & TRU Supplements line are only eligible to be returned within 30 days if they are unopened.
To start a return, visit our return portal here.
If you purchased ‘Redo’ at checkout with your original order, the cost of your return label will be covered;
If you did not, you will be responsible for paying the return shipping costs to send back your item(s). Shipping costs are non-refundable.
A refund will automatically be applied to your original method of payment within 5-7 business days of receiving your return.
If you have any additional questions about returns, you can email us at customercare@hpnsupplements.com or you may fill out the form below.