Tru Niagen NAD+ 300mg

Name: Tru Niagen NAD+ 300mg
Brand: Longevity Supplements
SKU: product-0031
Price: 45.00 GBP
Availability: InStock
Rating: 4.7 (14 reviews)

£45.00

Tru Niagen is a nicotinamide riboside (NR) supplement designed to support NAD+ levels in the body.

Supports NAD+ levels that naturally decline with age
May aid cellular energy production and metabolic function
Studied for recovery support in periods of high physical demand
Nicotinamide riboside: an efficiently absorbed NAD+ precursor
Backed by peer-reviewed human clinical research on NR

4.7 (14 reflections)

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Longevity SupplementsTru Niagen NAD+ 300mg

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About This Product.

Tru Niagen is a nicotinamide riboside (NR) supplement designed to support NAD+ levels in the body. NAD+ — nicotinamide adenine dinucleotide — is a coenzyme found in every cell, where it plays a central role in energy metabolism and DNA repair. Levels decline naturally with age, and that decline is studied in the context of fatigue, cognitive sluggishness, and reduced cellular resilience. Nicotinamide riboside is one of the best-researched NAD+ precursors available; unlike direct NAD+ supplementation, NR is efficiently absorbed and converted into NAD+ within cells.

This supplement suits those in their late thirties and beyond who want to address age-related NAD+ decline, as well as individuals managing high physical or cognitive loads who feel their recovery and energy are no longer what they were. It fits neatly into a morning routine alongside other foundational supplements.

Tru Niagen is the branded NR ingredient with a notable body of human clinical research behind it — a meaningful distinction in a category where many products rely on preclinical data alone. If you are considering an NAD+ precursor and want a formulation backed by peer-reviewed human trials, this is a considered starting point. As with any supplement affecting cellular metabolism, those on medications or with existing health conditions should speak to a clinician before starting.

Frequently Asked.

What is nicotinamide riboside and how does it differ from NAD+ itself?

Nicotinamide riboside (NR) is a form of vitamin B3 that the body converts into NAD+ intracellularly. Taking NAD+ directly is not an efficient route — the molecule does not cross cell membranes readily. NR is absorbed and then synthesised into NAD+ inside the cell, which is why it is the preferred delivery form in most clinical research.

How long before I might notice a difference?

Human studies on NR typically measure NAD+ blood levels after two to four weeks of consistent use. Subjective changes — in energy or recovery — may take longer and are not guaranteed. NAD+ precursors are better thought of as foundational support than as fast-acting interventions.

Is this safe to take alongside other supplements or medications?

NR is generally well tolerated, but if you are taking any prescription medications — particularly those affecting metabolism or cancer treatment — speak to your GP or a clinician before starting. This is standard advice for any supplement that influences cellular biochemistry.

Who is this particularly suited to?

It is most relevant for adults in their late thirties and older who are interested in addressing age-related NAD+ decline, as well as those experiencing persistent fatigue or reduced recovery that blood tests have not attributed to a specific deficiency. It is not a substitute for investigating underlying causes with a clinician.

Does the 300mg on the label refer to NAD+ content?

The 300mg refers to the dose of nicotinamide riboside (NR), the precursor — not to NAD+ itself. Check the product packaging for the full supplement facts panel and any additional ingredients included in the formulation.

Customer Reflections

Overall Sentiment

4.714 reflections

1 – 6 of 14 reflections

Steady energy without the jitteriness

4 months ago

Been taking this for about six weeks now, one capsule with breakfast. Hard to pinpoint exactly what changed, but I've noticed I get to the end of the afternoon without that familiar slump. I'm 44 and had started writing off low energy as just 'getting older' — this has made me reconsider. Will keep it in the stack.

Part of my morning routine now

4 months ago

I stack this with magnesium glycinate and a B-complex. Takes about three to four weeks before you really feel anything, so stick with it. Cognitive sharpness is the main thing I noticed — less of that foggy start to the day. My GP was fine with me taking it, which was reassuring.

Good product, pricey for a monthly habit

5 months ago

No complaints about how it works — I do feel more alert and my post-run recovery feels quicker than it was a few months back. My only issue is the £40 price point for 30 capsules. At one a day that's a recurring £40/month which adds up fast when you're already spending on other supplements. Would appreciate a larger pack option.

5 months ago

Does what it says. Subtle but consistent. Would buy again.

Swapped from a cheaper NR brand

6 months ago

Was on a supermarket own-brand NR for a few months and honestly felt nothing. A friend who works in nutrition told me the branded ingredient actually matters in this category, so I switched. The difference isn't dramatic but it's real — better morning energy, clearer thinking by mid-morning. I'm 39 and this is now a permanent fixture.

Effective but the capsule is quite large

6 months ago

Works well — noticed an improvement in sustained focus during long work sessions, which is what I bought it for. My only gripe is the capsule size. I take a fair few supplements and this is one of the bulkier ones to swallow. A smaller capsule or a split-dose option would be welcome. Still giving it four stars because the results are genuine.

Tru Niagen NAD+ 300mg

About This Product.

How to Take It

Frequently Asked.

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