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NMN Bio Help Centre (Copy) logo

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Product Questions: Ingredients, Testing, Storage, Genuine Product? and More

Ingredients breakdown

NMN Products:. •  NMN 500mg capsules  - β-Nicotinamide Mononucleotide 500mg, capsule shell (vegetable cellulose). •  NMN 250mg capsules  - β-Nicotinamide Mononucleotide 250mg, capsule shell (vegetable cellulose). All our NMN is of a purity of mor

How to store the product

No fridge needed.Just keep it cool, dark, and dry — like a cupboard. Our NMN is stable at room temperature for two years+ as per our stability tests. There are multiple variations of NMN; not all NMNs are created equal!

Capsule colour changes?

You may notice that your NMN capsules have a slightly yellow tint — and that’s completely normal.We use vegetable-based capsules, which can naturally change colour over time due to light, heat, or humidity.As long as the powder inside remains white,

Third-party testing process

At NMN Bio, we third-party test every batch of our NMN to ensure purity, safety, and quality. Once the raw material arrives in the UK, it’s sent to an independent laboratory where it’s tested for purity, heavy metals, microbial contamination, and pH

Bulking agents / excipients

A Note on Magnesium Stearate & Microcrystalline Cellulose. We understand that ingredient transparency matters — and at NMN Bio, we’re extremely selective about what goes into our supplements. That’s why we avoid unnecessary or potentially harmful add

Does NMN have side effects?

Great question!. For most people, NMN is well-tolerated and does not cause any side effects when taken at recommended doses. It's a naturally occurring molecule already found in your body and in trace amounts in foods like broccoli and avocado. Howev

How to Tell If Your NMN Bio Product Is Genuine

Look for the following signs to confirm your product is 100% NMN Bio:. Batch code underneath the bottleEvery genuine product has a clearly printed batch code on the base. New yellow “NK” markingYou’ll now find a small yellow “NK” printed under the ba