Solgar Solgar Biotin
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Supplement Facts
Serving Size:  1 Vegetable Capsule
Amount Per Serving
%DV
Biotin
5,000 mcg
16,667%
Calcium (as dicalcium phosphate)
148 mg
11%
Phosphorous (as dicalcium phosphate)
115 mg
9%

The product is found useful for the following medical conditions

Hair Loss details

SCIENTIFIC SCORE
Possibly Effective
Based on 16 Researches
7.5
USERS' SCORE
Excellent
Based on 292 Reviews
9
9.5
Biotin therapy improves hair growth
Biotinidase deficiency characterized by skin and hair findings.
Most Relevant Research
We explored the effects of biotin treatment on hair loss through a case study of a girl diagnosed with biotinidase deficiency. Despite having no notable family history of the condition, her symptoms included problematic dermatitis, yellow hair, and alopecia.

After identifying low levels of biotinase and significant metabolic increases, the girl was found to have two specific mutations in her BTD gene linked to this deficiency. Following the diagnosis, we observed a clear response to biotin supplementation, with an initial dosage of 20 mg per day.

Remarkably, her dermatitis improved within a month, and her hair color returned to normal after three months of treatment. These findings suggest that biotin replacement therapy can have significant positive outcomes in cases related to biotinidase deficiency, connecting biotin to effective hair restoration.
9.5
Effective against hair loss
Most Useful Review
The best recommendation if you’re dealing with serious hair loss issues. The dosage beautifully supports nail health, while my skin feels silky and supple. I witnessed marked improvements by the second month, and I continued for the third to solidify these health benefits. These vitamins are considered the best globally, promising a 100% result. Investing in them is worthwhile, and I advise against experimenting with cheaper alternatives. Was it helpful? Definitely!

Flu details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 5 Reviews
8.7
9
Quick hair growth
Most Useful Review
I started taking biotin as soon as I noticed my hair falling out rapidly. With biotin, I observed quick growth and many new fluffy hairs appeared. My nails became stronger, the skin more hydrated, and even dermatitis improved. I also took omega and collagen for better results. This is a wonderful supplement for health, providing undeniable benefits. The ingredient is natural with a neutral taste, and the quantity is sufficient for a long duration.

Nausea details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.7
9.5
No nausea
Most Useful Review
Great! I initially tried different complexes for my friend, which did not suit them. Now, everything is fine. Biotin works well for me; I experienced no nausea. I can see the results—my nails are noticeably stronger, and my hair has a lovely shine.

Psoriasis details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 3 Reviews
8.7
10
Psoriasis treatment success
Most Useful Review
My salvation! I discovered that taking biotin can completely eliminate psoriasis symptoms. I've been using it regularly, and the peeling and cracking of my skin have vanished. This truly feels like a godsend. I wholeheartedly recommend it to anyone who understands my struggles.

Bruise details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.6
8.8
Improved skin bruising
Most Useful Review
This has saved my skin and hair! Menopause can be tough on the body. After discovering my hair was weakening and my skin thinning, I realised I needed biotin. It has helped enormously! My hair is once again healthy and growing quickly, and my skin feels less thin and isn’t bruising as easily now.

Allergies details

SCIENTIFIC SCORE
Moderately Effective
Based on 3 Researches
8.3
USERS' SCORE
Good
Based on 5 Reviews
8.4
8
Biotin's impact on allergies explored
Regulation of immunological and inflammatory functions by biotin.
Most Relevant Research
We investigated the effects of biotin on immune responses and inflammatory conditions. Biotin, a necessary vitamin, plays a role in various metabolic pathways related to inflammation. While previous studies have suggested that biotin deficiency can lead to skin inflammation and immune issues, our findings highlight the potential of biotin supplementation in addressing metal allergies in animal models. However, significant improvements in allergy symptoms were not conclusively shown. Thus, while biotin may be beneficial, more research is needed to fully understand its impact on allergies.
9.5
Better allergy response
Most Useful Review
とても素晴らしい! I've just started this product and my skin is in great shape. Previous biotin supplements caused reactions due to my allergy-prone constitution, but this one seems to work better. I plan to continue using it as I expect benefits for my skin, hair, and nails. The product size is easier to consume than expected.

Cold Sores details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 2 Reviews
8.2
8.8
Significant improvement
Most Useful Review
He is someone who suffers from cold sores. I watched a YouTuber living in Japan who also has them and is being treated with biotin by a dermatologist. I have noticed significant improvement while taking biotin, as it soothes the itching associated with cold sores.

Rash details

SCIENTIFIC SCORE
Moderately Effective
Based on 16 Researches
8.8
USERS' SCORE
Good
Based on 7 Reviews
8.2
9.5
Biotin effectively improves rash symptoms
Dramatic Clinical Improvement With Biotin Mega-Dose Therapy in a Neonate With Holocarboxylase Synthetase Deficiency.
Most Relevant Research
We explored the effects of biotin therapy on a neonate suffering from a rare metabolic disorder known as holocarboxylase synthetase deficiency. After initiating a biotin mega-dose regimen, we observed impressive results, with the baby showing notable clinical improvement just one day later.

Within six days, mechanical ventilation was no longer necessary, and the child maintained stable health through follow-ups. This case underscores the importance of early genetic testing and how effective biotin can be in treating specific metabolic issues.
9.5
Cleared rashes
Most Useful Review
These vitamins are my favourite. After childbirth, my hair began to fall out, but upon starting these vitamins, everything appeared to restore itself; my skin is clearer, and the rashes have vanished. I cannot comment on nail growth, as I’ve had no issues in that area.

Ulcer details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 2 Reviews
7.9
4.8
Moderate hair growth
Most Useful Review
Good. It appears to have a moderate effect on hair growth. However, small ulcers develop on the scalp, which vanish once I stop using it.

Depression details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.8
8.8
Hair and nails improved
Most Useful Review
My hair, nails, and skin are currently flawless. After suffering from hair loss and brittle nails due to depression, I have been taking these tablets for three months. Now, my hair doesn’t fall out, even when brushing, and my nails are much stronger. Have patience, as it takes time for the body to respond, but it’s worth it.

Headache details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 2 Reviews
7.8
4.8
Headache experienced
Most Useful Review
The capsules are large, and while the dose works, it seems excessively high. Each time I took them, I suffered from a headache, although my nails improved. Unfortunately, I also developed subcutaneous pimples. I completed the course but will opt for much lower dosages in future.

Autoimmune Disorder details

SCIENTIFIC SCORE
Possibly Effective
Based on 8 Researches
7.4
USERS' SCORE
Moderately Good
Based on 13 Reviews
7.6
7
Moderate benefits, high testing interference
High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials.
Most Relevant Research
We evaluated the effectiveness of high-dose biotin in treating multiple sclerosis through a systematic review of randomized controlled trials.

Our findings suggest that patients could see some benefit from using high-dose biotin over a period of 12 to 15 months.

However, it's important to note that this potential upside comes with a notable downside: an increased likelihood of affecting laboratory test results.

Overall, the evidence remains moderately certain, indicating a cautious approach is necessary for those considering biotin treatment for multiple sclerosis.
9.5
Stronger hair growth
Most Useful Review
As a cancer and COVID-19 survivor, I faced severe hair loss. After starting Biotin, my hair started to grow back stronger and fuller after two weeks. It helped reduce the brittleness I experienced post-COVID-19, making me feel secure in using this supplement.

Constipation details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 4 Reviews
7.5
8.8
Constipation resolved
Most Useful Review
I haven't observed any improvement in my nails yet as they still exfoliate, but I have noticed less frequent eczema flare-ups. I also noticed that constipation has resolved, and I'm having daily bowel movements.

Kidney Stones details

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Moderately Good
Based on 2 Reviews
7.2
1.3
Hair loss treatment
Most Useful Review
Amazing! I use it to reduce hair loss and promote growth. However, it is too strong on my kidneys and causes me pain, which makes usage difficult regarding my kidney stones.
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