NMNH

What sets this NMNH apart is its patent-pending crystalline form, which ensures superior stability, purity, and safety compared to standard versions. This advanced formulation offers consistent and extended support for mitochondrial function, helping the body sustain energy levels and mental focus throughout the day. It also enhances cardiovascular health by supporting optimal blood flow while promoting sharper cognitive function through improved neuronal energy production. By contributing to balanced sleep patterns and metabolic health, this form of NMNH supports a more energised, focused, and well-rounded approach to daily wellbeing.

Longevity Box was founded by Caroline Elizabeth Way and Max Way with a clear mission to help people stay younger, for longer. After years of research into the science of ageing, they committed to developing safe, high-quality supplements rooted in real science. Each product reflects their focus on purity, transparency, and value. With no fillers or unnecessary additives, every batch meets rigorous third-party testing standards. Longevity Box stands not only for effective formulations but also for empowering people with the knowledge to take control of their health and extend their vitality through informed science-led choices.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

NMNH 250mg.

Shipping

At Healf, we prioritize safe and fast delivery for all our customers. Our carefully selected couriers are Royal Mail and DPD.

UK standard delivery

Enjoy free standard delivery on orders above £50, this option usually requires 2-3 working days. If your order is under £50, this delivery option is available for £3.99.

Next working day

For when you need our products urgently, we offer next working day shipping for £5.99. For orders placed before 12.00, we will ship it the same day to ensure you receive your order the next working day.

International

International deliveries can take 7 working days, and up to 4 weeks. The cost is £22.99 for orders below £50, £49.95 for orders above.

Returns

If for any reason you are not satisfied with your order, we provide free 365-day UK returns for all our customers. To initiate your return, simply contact us at team@healf.com, and we'll send you a return slip and help arrange a collection. The item you return must be sent in the same condition as received and inside the original packaging. Once received, we will notify you via email.

For international returns, we unfortunately do not cover the cost. However, we work with an array of carriers and can offer self-posting returns for customers shopping from outside the UK.