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Doctor's Best Best Energy Featuring Niagen
Doctor's Best Best Energy Featuring Niagen is a capsule, providing 150 mg of its NAD+ precursor per serving, across 30 servings per container. Every figure here comes from the label filed with the NIH, not from the brand.
Product facts
0753950003613See the full filed label on the NIH database, including the label image
What is in a serving
Per serving, as printed on the label filed with the NIH Dietary Supplement Label Database.
| Ingredient | Amount | % DV |
|---|---|---|
| Nicotinamide Riboside Vitamin B3 (Nicotinamide riboside) | 150 mg |
Other ingredients: Cellulose, Modified Cellulose, Silicon Dioxide, Magnesium Stearate
What the label says
These are the manufacturer's own words, taken from the label filed with the NIH. They are claims made by the brand, not findings by Peptides.io, and they have not been evaluated by the FDA.
How the brand says to use it
- Suggested Adult Use: Take 2 capsules daily, after meals, or more, as recommended by a nutritionally informed physician.
What the label says it contains
- Authentic Nicotinamide Riboside
- Non-GMO and Gluten Free
Other claims printed on the label
- NR occurs naturally in foods, and is a metabolic starter for NAD (nicotinamide adenine dinucleotide), which our cells absolutely require to make energy. NR also helps regulate cell energy utilization to support structural integrity in the brain, heart, muscles, liver and other organs. Enhances mitochondrial energy production* Facilitates glucose and fat utilization for energy* Promotes energy-dependent regulation of cell functions*
- Scan for more info
- BRAIN ENERGY OPTIMIZER*
- Vegan
- Vegan
- CONTAINS NOTHING OTHER THAN LISTED INGREDIENTS
- P 01/14
- 1A nutrient naturally built into the body's chemistry
Other nad+ supplements
- GeneX Formulas NMN Nicotinamide Mononucleotide250 mg per serving
- ChromaDex Tru Niagen Unflavored300 mg per serving
- ChromaDex Tru Niagen Pro 500500 mg per serving
- ChromaDex Tru Niagen Pro 300300 mg per serving
Frequently asked questions
How much NAD+ precursor is in Doctor's Best Best Energy Featuring Niagen?
The label filed with the NIH Dietary Supplement Label Database lists 150 mg per serving.
Is this product FDA-approved?
No. The FDA does not approve dietary supplements. Manufacturers are responsible for the safety and labelling of their own products, and the FDA acts after a problem is reported rather than approving products in advance.
Where does the information on this page come from?
The product label filed with the NIH Dietary Supplement Label Database, a public database run by the National Institutes of Health. Nothing on this page is supplied by the brand.
Label data from the NIH Dietary Supplement Label Database, checked 2026-10-05. Peptides.io does not sell supplements and has no commercial relationship with this brand. Dietary supplements are not reviewed or approved by the FDA before sale; talk to a clinician before starting any supplement.