Safety & Regulation

NAD+ isn't limitless. Here's what clinical research shows about high-dose safety, possible overdose symptoms, and staying within a safe injection range.

Subcutaneous or intramuscular? Here's how the two injection routes differ in depth, absorption speed, comfort, and which is more common for at-home NAD+ use.

Combining NAD+ with GLP-1 medications like Mounjaro, Wegovy, or Ozempic? Here's what's known about interactions, and why your prescriber should be part of the decision.

NAD+ isn't right for everyone. Here's who should avoid it, including pregnancy, certain health conditions, and medication interactions to check first.

A step-by-step guide to approved NAD+ injection sites, hygiene, technique, and site rotation for safe at-home use.

A question we hear often is simply: is NAD+ legal in the UK? The short answer is yes, but the regulatory picture is more nuanced than a single yes or no, and it's worth understanding before you buy. What 'Legal' Actually Means for NAD+ NAD+ itself isn't a banned or controlled substance in the UK. However, it isn't licensed by the Medicines and Healthcare products Regulatory Agency (MHRA) as a medicine either. Depending on how a product is formulated and sold, it's typically s

Safety is one of the first things UK users ask about before starting NAD+ injections. This guide covers the common, mild reactions, the rarer but more serious ones, and who should speak to a GP before starting. Common, Mild Side Effects Most people who use NAD+ injections experience nothing beyond mild, short-lived reactions at the injection site — soreness, redness, or slight swelling. Some users also report temporary flushing, mild nausea, or a headache shortly after a dose