Safety & Contraindications

11/03/2026 Daleybiotech


As with any supplement, safety should be your top priority. Before beginning any new regimen, it’s important to understand whether NAD+ is right for you. Here, we will outline health conditions and circumstances where NAD+ may not be suitable, allowing you to make an informed decision about your wellness routine. If you have any further concerns, get in touch with our registered nurse Georgina, who is a qualified prescriber with over 15 years of clinical experience.

Are there any contraindications for using NAD+?

Yes, NAD+ isn’t suitable for those under 18 years old or with any of the following health conditions.

Age restrictions:
NAD+ is only intended for use by adults aged 18 and over.

Allergies:
Do not use this product if you are allergic to any of its ingredients. If you are uncertain, consult your pharmacist or healthcare professional before use.


All NAD+ contraindications:

 

  • Children / anyone under 18 years old
  • Those with active or historic cancer
  • People who are pregnant or breastfeeding
  • Those with lyme disease
  • Those who have recently had a skin graft
  • Those with atrial fibrillation
  • Anyone who is classed as immunosuppressed
  • Those who have had an organ transplant
  • Those with a history of haemophilus influenza bacteria

If you have any existing health conditions or concerns, please consult your healthcare provider instead. 

If you don’t have any existing health conditions and are still unsure whether you are suitable for NAD+, book a telephone consultation with our registered

 

Can I take NAD+ whilst I’m pregnant? No – you should not take NAD+ if you are pregnant or breastfeeding. There aren’t enough human studies involving pre-natal or antenatal women. With no reliable safety data, the effect of supplementing NAD+ on a developing foetus are unknown. The same is true for breast-fed babies; there’s not enough data to ensure safety with their growth and development.

Can I use NAD+ if I have active cancer / have a history of cancer?

We advise caution for those with active cancer, as the potential risks associated with NAD+ usage in this context remain uncertain. If you are in remission or have a history of cancer, we encourage you to reach out to your consultant for tailored advice and guidance on using NAD+ AT HOME.

Are NAD+ micro injectables safe to use? Yes – NAD+ micro injectables are entirely safe when used correctly. They are designed with safety in mind. They use a similar technology to insulin injections, which have provided safe, secure, and sterile at-home usage since 1983. 

However, as with any injectable, at home NAD+ injections and NAD pens can pose a risk if you don’t follow the correct protocol. Most importantly, never share your pen or re-use micro-needles. It’s also essential that you use the alcohol wipes provided, as instructed. If you need any further support, use the below guides or get in touch with our registererd nurse, Georgina.

Is it safe to take NAD+ daily? What’s the best routine? For those who don’t have any NAD+ contraindications, yes, it is safe to use NAD+ on a daily basis. However, we recommend following the below schedule:

Initial phase: One 25ml injection per day for the first three days

Maintenance phase: A single 25ml injection every two days thereafter

 

This routine will help you achieve strong baseline NAD+ levels in the short term and maintain consistently high levels going forward. If you are already supplementing NAD, we recommend going straight into the maintenance phase and administering NAD+ once every two days.

Is NAD+ legal in the UK? Yes, NAD+ (Nicotinamide Adenine Dinucleotide) is legal in the UK. It does not yet have medicinal status but remains a legal supplement. Until more human trials and clinical studies have been completed, it will keep it’s supplement status.

Can I share my NAD+ AT HOME Kit with a friend?

While it might be tempting to share the benefits of your NAD+ AT HOME Kit with a friend, we strongly advise against it.

 

Sharing any components of your NAD+ supplement kit, such as the vial or micro injectables, could lead to cross-contamination and a decrease in effectiveness.

To ensure the best possible outcome for both you and your friend, it’s a great idea to each order your own NAD+ AT HOME Kit. That way, you can both experience the potential advantages while sticking to the recommended guidelines, all within a safe and hygienic environment.

What should I do if I accidentally take too much?

If you happen to take more than the suggested amount, don’t worry! The NAD+ in your vial is designed with safety in mind, containing levels that your body can handle. However, it’s always best to stick to the recommended dosage for optimal results.

In case you do take extra, keep in mind that your body may not effectively absorb or break down the excess NAD supplement. While it’s generally not a cause for concern, it’s always a good idea to consult with a healthcare professional if you have any doubts or experience any unusual symptoms.

Are there side effects from NAD+ AT HOME? The majority of individuals do not encounter any adverse effects from using NAD+ AT HOME.

 

Should you experience any sensitivity after using the micro-injectables, consider selecting a different site on your body for the next injection. As with any side effect, if symptoms continue, cease use and get in touch with our team.

 

 

 



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