NMN guides

Guides to taking NMN: dose, timing, safety, UK rules and what to combine it with. Written by our founder, Mat Stuckey.

Taking NMN

Dose, timing, storage and what to expect.

How to take NMN: dose, timing and format

Take NMN at the dose on the label, at the same time every day, with water. For our Pure NMN that is...

Read the guide How to store NMN so it stays in good condition

Store NMN below 25°C, somewhere dry and out of direct sunlight, with the lid closed. A kitchen cupboard away from the oven...

Read the guide NMN cycling: should you take breaks from NMN?

No human trial has tested NMN cycling, so there is no evidence that taking breaks from NMN does anything, good or bad....

Read the guide What age should you start NMN?

NMN is sold for adults, and the human trials I have read enrolled adults aged 20 to 65. The dose does not...

Read the guide NMN for women: dose, pregnancy and what to check

NMN is taken the same way by women and men: the dose on the label, once a day. The things women should...

Read the guide Why your NMN might not be working: five checks to make

If you feel nothing from NMN, that does not mean it is fake: NMN is not a stimulant, and many people notice...

Read the guide

Safety and UK rules

Side effects, medication and the legal position in the UK.

NMN side effects: what the human safety trials found

In the human trials published so far, NMN has not caused more side effects than a placebo. A 2026 review of 10...

Read the guide NMN and medication: what is known, drug by drug

I have not found a published human trial that tested NMN alongside levothyroxine, warfarin, a statin, blood pressure medicine, an antidepressant or...

Read the guide NMN in the UK: novel food status and the 2026 EFSA opinion

In Great Britain, NMN is classed as a novel food, and an application for it is being assessed by the Food Standards...

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Combining supplements

What people take alongside NMN, and how.

NMN stacking: what to take with NMN, and what to check

You can take NMN alongside most everyday supplements. The ones people add most are creatine, CoQ10, vitamin D3 and K2, magnesium and...

Read the guide Creatine and NMN: can you take them together?

Yes, you can take creatine and NMN together. There is no known interaction between them, and I have not found a published...

Read the guide NMN and collagen: can you take them together?

Yes, you can take NMN and collagen together, at the same time if you like. There is no known interaction between them,...

Read the guide NMN and CoQ10: can you take them together?

You can take NMN and CoQ10 together. There is no known interaction between them, and I have not found a human trial...

Read the guide NMN and TMG: should you take them together?

You can take NMN and TMG together, and many people do. But I have not found a human trial showing that NMN...

Read the guide NAC supplement: what it is and how to take it

NAC (N-acetyl cysteine) is a form of the amino acid cysteine, sold as a food supplement. Ours is 600mg per capsule, and...

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Buying guides

How UK NMN brands compare on price, dose and testing.

Best NMN Supplements: Full UK Market Purity & Cost ReviewRead the guide Best Longevity Supplement Brands UK 2025: Complete Comparison GuideRead the guide The Ultimate Longevity Supplement Tier List (S-Tier to F-Tier)Read the guide Longevity Formulas vs Viva NMN: Which Offers Better Value?Read the guide Longevity Formulas vs British Supplements NMN: Which Offers Better Value?Read the guide

Every guide