At LongevityBox we are committed to sourcing the highest purity longevity supplements on the market. Our products are pharmaceutical grade and independently verified for quality and purity by renowned third party test laboratories.
We work with well established suppliers that have regular factory inspections and are certified with CGMP and ISO to ensure the highest standards are consistently met. We have third party independent laboratories test every batch of product that is produced and display on our website the latest tests for the batch that is currently in stock.
Please see below the latest third party independent test certificates for our current batch of Longevity supplements.
Independent laboratory testing is critical to ensure that the product is at least 99% pure and contains no dangerous levels of heavy metals or micro-organisms.If a retailer of is not providing test results then there is no certainty that there products is pure or even the product that they claim it to be and whether it’s safe for human consumption. Establishing purity and authenticity is critical when consuming small molecule Longevity supplements like NMN. It is clear that the market has many websites selling impure or fake NMN.
Every batch of Longevity Box supplements is independently verified to have a purity of at least 99%, with no dangerous levels of heavy metals or micro-organisms. You can find the latest certifications for each product here:
NMN purity certificates
Resveratrol purity certificates
NR purity certificates
Ca-AKG purity certificates
We are committed to your long term health and will always ensure our products are of the highest purity and quality.
We want you to be delighted with every purchase from us. In the unfortunate and unlikely event that you’re not delighted we offer a 30-day Money Back Satisfaction Guarantee.
With our Money Back Satisfaction Guarantee we are committed to:
- Issuing a full refund for all unopened products
- Issuing a refund of 50% of the purchase price for returned products that have at least 50% of the product remaining for products up to the value of £300
Return Procedures: Please send an email to CustomerServices@LongevityBox.co.uk with your complete name, address, phone # and your order # . Once we have received this email and confirmed that your order is eligible to be returned, we will provide you with a return authorisation number and a return address to send the goods.
Once we have received your return package we will inspect for quality to ensure the product you return is genuine. This authenticity inspection may take up to 30 days. Upon confirmation of authenticity, you will receive your refund and email confirming that your return request has been accepted. You will either be credited back to your Card, or PayPal. Please allow 5 working days for us to process the refund and up to 5 working days to receive your refund by card.
Unfortunately it is not possible for us to refund any delivery charges incurred when sending the product back to us.