Bryan Nettles founded Renue by Science back in 2017, inspired by his passion for research and science regarding healthy ageing. In addition to fitness, diet, and sleep, supplements have played an essential role in his life. Bryan’s mission is to educate and motivate people to live long and strong lives. Today, Renue by Science offers the highest quality, most comprehensive range of bioavailable longevity products at the best possible price. They work with leading experts and doctors to stay updated on the latest research, using these insights and customer feedback to bring you the most effective solutions available.

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.

Nicotinamide Riboside Chloride (NRC).

Other Ingredients (282 mg per serving) : Malic Acid, Stevia, Natural Citrus Flavor, Monk Fruit.

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.

Take two (2) level scoops once daily with or without food.

Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using.

Store tightly in a cool, dry place.

Do not use if safety band is broken or missing.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.