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NAD+

Does NAD Help Hair Loss?

Georgina Glenn , Registered Nurse février 27th 2026

Does NAD Help Hair Loss?

Hair loss is a common occurrence, especially in men, but that doesn’t stop it from being a distressing thing to live with. Hair loss can be temporary, and it can be permanent. It can be a natural event or a sign of something being wrong.

There are many ways people look to deal with hair loss. One way is supplements.

NAD+ is a molecule that is gaining attention in longevity and cellular health, which may help with hair loss, especially in the age weight-loss treatments become more accessible and popular, which are now being linked to hair loss.

We’re going to look at NAD and hair growth, how they may be linked and what you can do to reduce hair loss.

What Causes Hair Loss?

Many factors can contribute to hair loss occurring. Common hair loss causes include:

  • – Genetics (androgenetic alopecia): Hair loss can be a hereditary condition that occurs with ageing. It’s the most common form of hair loss and is known as male-pattern baldness and female-pattern baldness.
  • – Hormonal changes: Sudden hormonal changes, caused by conditions such as pregnancy, menopause, childbirth and thyroid disorders, can result in temporary or permanent hair loss.
  • – Stress and illness: Several types of hair loss, including temporary hair loss, such as telogen effluvium, can be caused by stress and illness. Telogen effluvium causes hair loss due to a disruption in the hair cycle, with stress and illness pushing hair follicles into the resting phase, meaning there is no new growth.
  • – Nutritional deficiencies: If hair follicles are starved of nutrients such as iron, vitamin D and B vitamins, growth will slow, hair will thin, and it will fall out.
  • – Rapid weight loss: Sudden weight loss can trigger telogen effluvium, leading to hair follicles prematurely shedding.

What Is NAD+ and Why Does It Matter?

NAD+ supplements in the UK are becoming more popular because they have many benefits due to being a key coenzyme that is present in every cell in the body, involved in an endless number of vital processes.

NAD+ (nicotinamide adenine dinucleotide) is essential for:

  • – Cellular energy production
    – DNA repair
    – Mitochondrial function
    – Fighting inflammation

NAD+ also plays a role in rapidly dividing cells. These types of cells continuously multiply and divide, and include skin cells and hair follicles. To function properly, they need a lot of energy, and NAD+ is critical to providing fuel for ATP production, which is the main energy source of cells.

Does Exercise Increase NAD+ Levels? Image of Liposomal NAD tablets
Does Exercise Increase NAD+ Levels? Image of NAD pen

Does NAD+ Help Hair Loss?

NAD+ plays a critical role in the body, so it may have an impact on hair growth in many ways.

Cellular Energy and Hair Follicles

Hair follicles require high energy to remain in the growth (anagen) phase. Declining NAD+ levels may affect cellular performance over time, as it is heavily involved in cellular energy. Less NAD+ means less cellular energy and reduced performance.

NAD+ and Age-Related Hair Thinning

NAD+ decline relates to the ageing processes as lower levels mean less efficient DNA repair, mitochondrial function or energy production, leading to more visible signs of ageing.
NAD+ has a potential supportive role in maintaining follicle health because it protects, helps fuel and repairs these cells.

What the Science Currently Says

Whilst there is no direct clinical proof that NAD+ regrows hair, there is growing evidence that NAD+ can indirectly support hair growth by improving cellular resilience and metabolism.

GLP-1 Medications and Hair Loss

GLP-1 receptor agonists are medications that aid in lowering blood sugar levels and promoting weight loss. There are many brands of these medications, and they are becoming increasingly popular.

There has been increasing worry about GLP-1 hair loss, but these medications do not directly cause hair loss.

Rapid weight loss, caloric restriction, and stress can trigger telogen effluvium, a shedding of hair. This is because your body prioritises other bodily functions over hair growth, pushing hair follicles into the resting phase.

Weight loss medication causing hair shedding is often temporary as your body soon adjusts, with some time needed for your hair to grow back.

Can NAD+ Support Hair Health During GLP-1 Use?

The good news is that NAD+ and GLP-1 can be taken together and often are.

This is because the potential benefits of NAD+ support, such as aiding energy production, cellular repair and stress resilience, are all things your hair needs when the body is undergoing rapid weight change.

GLP-1 works on the gut and body, whilst NAD+ supports your body, so it is not a direct treatment against the effects of weight loss medication. NAD+ supports how your body copes with the changes. This means that GLP-1 and NAD+ complement each other, rather than overlap, so supplements should not be seen as an iron-clad treatment for weight loss medication side effects.

Lifestyle Factors That Matter More Than Supplements

NAD+ supplements should be a part of your healthy routine. Supplements work best alongside healthy foundations.

Lifestyle factors you should include to improve NAD+ levels include:

  • – Adequate protein and micronutrients
    – Managing stress and sleep quality
    – Avoiding extreme dieting
    – Regular exercise

You should also aim for moderate, consistent NAD+ over quick fixes so that you have the best chance at gaining the long-term benefits of supplementation.

How to slow biological ageing. A woman on her way to pilates
How to boost your nad levels naturally. A woman preparing greens.

What NAD+ Can Do for Hair Loss

In animal studies, it’s been suggested that NAD+ and its precursors may help with hair growth. More research is needed, and there are limits, but evidence points towards NAD+ being positive for helping with hair loss.

NAD+ can potentially support:

  • – Cellular energy
    – Healthy ageing processes
    – Hair follicle environment

NAD+ cannot:

  • – Reverse genetic hair loss
    – Replace medical treatments
    – Guarantee regrowth

NAD+ could be helpful to you, but it is not a magic treatment. When considering supplementation, you should set realistic expectations and understand that dealing with hair loss is a journey which may require some trial and error.

How NAD+ At Home Approaches Hair & Wellness Support

NAD+ at Home provides a range of products that are science-informed. We want to help people make educated decisions, so we put a premium on providing guidance and education to potential customers to ensure that everyone is making an informed choice.

Using a product, such as our NAD+ injection pen, should be part of an overall cellular optimisation plan, combined with strategies such as eating well and exercising, to help you become the healthiest version of yourself.

This type of support is suitable for people focused on longevity, energy, and recovery.

We also stress that you should consult healthcare professionals when needed to ensure you are making the safest choices at all times and making positive changes to your body and lifestyle.

Learn More About NAD+ and Hair Loss Today

NAD+ may have benefits for hair, supporting your hair loss at a cellular level by aiding cell energy, helping with repair and maintaining hair follicle health. Whilst NAD+ may help with hair loss, there are many causes for this issue, so it is not always a sure treatment for it.

GLP-1-related shedding may also be a big concern for you, but it is often temporary and something you can address and improve with time. You may be looking to NAD+ to love everything, but it is more important to focus on long-term cellular health and not quick fixes, so that you begin healthier routines and optimise your body.

Contact NAD+ at Home today for more guidance or explore our website for our range of educational resources.

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