Tru Niagen Review (2026)
The most clinically validated NR supplement. Best-in-class for documented NAD+ elevation.
Pros
- Highest-dosed clinical NR (300mg)
- Most human trial data in category
- GRAS-certified ChromaDex Niagen
Cons
- Expensive at $1.67/day ($50/month)
- No pterostilbene synergy partner
Skip if: Budget is under $30/month, or you prefer a bundled multi-ingredient formula.
What Is Tru Niagen?
Tru Niagen is the flagship product of ChromaDex, a publicly traded supplement ingredient company. It delivers 300mg of Niagen - ChromaDex's proprietary form of nicotinamide riboside (NR), a NAD+ precursor. ChromaDex holds the key patents on NR and licenses the ingredient to other supplement companies, while also selling direct-to-consumer under the Tru Niagen brand.
NAD+ (nicotinamide adenine dinucleotide) is a coenzyme found in every cell of the body, essential for mitochondrial energy production, DNA repair, and sirtuin activation. NAD+ levels decline approximately 50% between age 40 and 60, which is implicated in reduced cellular energy, impaired repair mechanisms, and accelerated biological aging.
Ingredients & Dosing
| Ingredient | Dose | Clinical dose | Assessment |
|---|---|---|---|
| Nicotinamide Riboside (NR) as Niagen | 300mg | 250-500mg | ✓ Adequate |
| Capsule: Hydroxypropyl methylcellulose | - | - | Vegan-friendly |
| Excipient: Microcrystalline cellulose | - | - | Standard |
At 300mg, Tru Niagen matches the highest dose used in published human trials. The Elsworth et al. (2017) study used 100mg and 300mg, with the higher dose producing significantly greater NAD+ elevation. The dose is appropriate for the therapeutic target.
Clinical Evidence
This is where Tru Niagen separates from competitors. ChromaDex-funded and independent studies have documented:
- NAD+ elevation: 300mg NR raises blood NAD+ by approximately 40-60% after 8 weeks (Elsworth et al., 2017; Trammell et al., 2016)
- Muscle metabolism: A 2020 trial by Dollerup et al. in obese men showed metabolic improvements with 2,000mg NR - though this is well above standard dosing
- Safety profile: No serious adverse effects observed in trials up to 2,000mg/day; most common: mild flushing, nausea at high doses
- Longevity mechanisms: NR activates SIRT1 and SIRT3, upregulates NAMPT, and supports mitochondrial biogenesis - all established longevity pathways
Comparison to Key Competitors
| Brand | Key ingredient | Dose | Price/month | Trials |
|---|---|---|---|---|
| Tru Niagen | NR (ChromaDex) | 300mg | $50 | 5+ |
| Elysium Basis | NR + pterostilbene | 250mg NR | $45 | 1 |
| Alive by Science | NAD+ sublingual | 250mg | $39 | 0 |
Who Should Buy Tru Niagen?
Ideal buyer: Executive or biohacker aged 40+, already has a solid foundation stack (D3, Omega-3, Magnesium) and wants the most evidence-backed NAD+ precursor. Value is secondary to evidence quality.
Not ideal: If you are new to supplementation, start with a foundation stack first. If you are budget-constrained, consider Alive by Science or a 150mg starter dose.
Pricing & Where to Buy
300mg (30 capsules): $49.99/month direct, or $44.99 on subscription. Amazon pricing is similar. Avoid third-party unauthorized sellers - NR is heat-sensitive and may degrade in improper storage.
Our Verdict
Tru Niagen earns its 4.6/5 rating by being the most scientifically rigorous NR product on the market. The ingredient is identical across brands (ChromaDex licenses Niagen widely), but Tru Niagen offers the highest dose at a transparent price with the most trial data behind it. If you are investing in NAD+ supplementation, this is the benchmark product.