What is Biotin?
Biotin, also known as vitamin B7 or vitamin H, is a B-complex vitamin that helps your body break down food into energy. It is essential for the metabolism of carbohydrates, proteins, and fats, and is naturally found in foods such as meats, eggs, fish, seeds, nuts, and some vegetables. Biotin plays a vital role in maintaining a healthy nervous system and supports the formation of the primary protein responsible for hair, skin, and nail health, it also supports regulation of blood sugar and increases your metabolism. This is why Biotin is widely recognised for promoting hair growth and enhancing overall hair, skin, and nail health.
People that already have a biotin deficiency may find it harder to absorb enough, which is why a biotin injection is often preferred.

Why get Biotin injections?
Biotin is a water-soluble vitamin, meaning the body does not store it easily. Any excess is naturally eliminated, making consistent intake essential to prevent deficiency. It can be taken as a tablet or administered via an intramuscular injection. While many supplements are not efficiently absorbed through digestion, intramuscular injections have been shown to raise Biotin levels more effectively and rapidly in many patients.
Correct dosages of Biotin supplementation have been linked to improved hair growth, enhanced hair structure and thickness, and a reduction in hair loss. Higher doses have also contributed to notable improvements in nail health. Research indicates that individuals who take Biotin supplements may experience up to a 25 percent increase in nail thickness, along with a decrease in splitting and breakage.
Many individuals, both male and female, have reported an unexpected effect of Biotin supplementation—an increase in sex drive. While this has been perceived as a benefit, there is no scientific evidence to confirm the connection. Any improvements in libido are likely a result of overall health enhancements from regular supplementation.
What are the benefits of Biotin injections?
While Biotin is widely recognised for its role in promoting hair growth, its advantages extend far beyond that. Here are some additional key benefits:
- Supports the function of healthy sweat glands
- Contributes to the health of nerve tissue and bone marrow
- Encourages healthy cell growth, leading to radiant, youthful skin with anti-aging effects
- Helps improve skin conditions such as acne and eczema
- Strengthens hair and assists in the production of red blood cells, which deliver nutrients and oxygen to the scalp and hair follicles—supporting healthy hair growth
- May help prevent hair loss
- Promotes stronger, faster-growing nails and reduces brittleness
- Aids in regulating blood glucose levels
- Enhances metabolism and assists in weight management by helping convert food into energy
- Boosts enzyme production to support the breakdown of fats and carbohydrates
- Contributes to the creation of amino acids essential for protein synthesis, supporting cell strength and rejuvenation
What are the side effects of Biotin injections?
Straight after your injection you may feel numbness to your arm and a heavy aching feeling. This usually subsides with 1 hour.
Biotin can affect some lab tests, such as blood tests, so make sure you speak to your doctor about supplement use before getting any tests done.
Mild side effects may include diarrhoea, upset stomach, nausea, a warm or painful sensation at the injection site, a general feeling of swelling throughout the body, headache, or joint pain.
If any of these symptoms become severe or cause concern, you should contact your doctor immediately
How often should I use Biotin injections?
It is recommended to have 1-2 injections per week for the first three months, then thereafter it is advised to receive an injection bi-weekly or monthly.
How to get started
It’s simple. You’ll need to complete a consent form which you can access below before your consultation. There is some useful information about preparation and what to after the injection below as well.
When you’ve had a look at those go ahead and click on the button to book a consultation now or visit your nearest Dears Pharmacy to learn more about Biotin injections and how they can help maximise your energy and balance your metabolism.
Our pharmacy team is here to answer any questions and help you find the right support to match your needs.