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.

Skin improvement

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1 people found this helpful

Small and easy to drink. By continuing with it, my skin that had darkened due to metal allergies has been restored.

Updated: Apr 2025

Acne details

SCIENTIFIC SCORE

Possibly Effective

Based on 5 Researches

Biotin's potential in acne treatment

Piraccini BM, Berardesca E, Fabbrocini G, Micali G, Tosti A. Biotin: overview of the treatment of diseases of cutaneous appendages and of hyperseborrhea. G Ital Dermatol Venereol. 2019;154:557. doi:10.23736/S0392-0488.19.06434-4

We explored the effectiveness of biotin as a treatment for acne, focusing on its potential benefits for those experiencing skin issues linked to biotin deficiency. Biotin is a vitamin that, when levels are low, can contribute to hair loss and skin disorders like seborrheic dermatitis.

In our overview, we noted that while biotin may help improve hair loss, its impact on acne treatment shows promise primarily when combined with other therapies, particularly topical retinoids. These treatments address not just acne but also flaking and irritation commonly associated with skin conditions.

Overall, we found that biotin's role in managing acne is intriguing, especially given its excellent tolerability and safety, even at high doses. However, we emphasize that biotin should be taken under medical supervision following a proper diagnosis.

Significant acne reduction

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2 people found this helpful

Biotin, one of the key B vitamins, supports the health of hair, skin, and nails. After taking one tablet daily for two months, my skin has improved markedly with almost no acne left. My nails grew faster, and hair loss stopped. Biotin should be taken alongside a multivitamin, but it has proven its potency.

Updated: Mar 2026

We investigated the effects of a combination of chromium and biotin on cholesterol levels in people with type 2 diabetes. In a randomized, double-blind trial with 348 participants, those taking the supplement showed improvements in blood sugar levels and cholesterol levels compared to the placebo group.

However, while the chromium and biotin combination did yield positive results for cholesterol in some participants, overall, we found no significant changes in lipid levels for all participants. This suggests that while chromium and biotin may help with metabolic factors, their direct impact on cholesterol may be limited.

Restored hair health

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3 people found this helpful

I highly recommend this biotin! After suffering from covid, my hair was falling out in clumps. I previously purchased this brand elsewhere; the price at iHerb was much better. The chewable tablets have a pleasant strawberry flavour, which is an added bonus! This biotin absolutely works; my hair stopped falling out after the course, so I’m confident it saved my hair.

Updated: Mar 2026

Autoimmune Disorder details

SCIENTIFIC SCORE

Possibly Effective

Based on 8 Researches

Moderate benefits, high testing interference

Espiritu AI, Remalante-Rayco PPM. High-dose biotin for multiple sclerosis: A systematic review and meta-analyses of randomized controlled trials. Mult Scler Relat Disord. 2021;55:103159. doi:10.1016/j.msard.2021.103159

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.

Regrowth success

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4 people found this helpful

I ordered biotin for my husband as part of an extensive treatment for his autoimmune disorder, which traditional therapies had failed. Within a month of using biotin, amino acids, omega, and vitamin D, we noticed significant hair regrowth.

Updated: Mar 2026

Depression details

Delicious and effective

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I'm extremely satisfied with this biotin. It's very tasty—so much so that I have to hold back from taking extra pills. With a pleasant, non-sugary taste and large dosage, it's essential for various bodily functions. Deficiency symptoms include hair thinning, tangling, depression, fatigue, and tingling in the extremities. A jar lasts for two months. I highly recommend it!

Updated: Apr 2025

Hair Loss details

SCIENTIFIC SCORE

Possibly Effective

Based on 22 Researches

Biotin restores hair growth post-deficiency

Khalidi N, Wesley JR, Thoene JG, Whitehouse WM, Baker WL. Biotin deficiency in a patient with short bowel syndrome during home parenteral nutrition. JPEN J Parenter Enteral Nutr. 1984;8:311.

We encountered a case of a woman suffering from short bowel syndrome, who faced significant hair loss due to biotin deficiency while on home parenteral nutrition. After starting oral biotin supplementation of 10 mg/day for three weeks, we observed that her serum biotin levels increased, leading to noticeable new hair growth and resolution of other symptoms. Further intravenous biotin treatment maintained her on multivitamins that include biotin, preventing any future deficiency symptoms. This case highlights the importance of addressing biotin levels for hair health and overall well-being.

Effective for hair loss

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210 people found this helpful

Biotin is a fantastic aid for hair loss. I took half a tablet, as 10,000 mcg seemed excessive. Yet, from just half the dosage, I noticed results.

Updated: Apr 2025

Eczema details

SCIENTIFIC SCORE

Moderately Effective

Based on 5 Researches

Biotin treatment for eczema effectiveness

Yang Y, Yang JY, Chen XJ. Biotinidase deficiency characterized by skin and hair findings. Clin Dermatol. 2020;38:477. doi:10.1016/j.clindermatol.2020.03.004

We explored a unique case involving a girl diagnosed with biotinidase deficiency, a rare inherited metabolic condition that can lead to notable skin and hair issues. The report highlighted her struggles with intractable dermatitis, yellow hair, and alopecia—symptoms that pointed to the underlying deficiency.

Biotin, a vital nutrient, was administered at a dose of 20 mg per day as a replacement therapy. Within one month, we observed a substantial improvement in her dermatitis, and by the three-month mark, her hair color had returned to near normal. The significant change in her condition illustrates how effective biotin can be for individuals suffering from both biotinidase deficiency and associated eczema-like symptoms.

This case serves as a reminder for healthcare providers, especially dermatologists, to consider biotinidase deficiency as a potential factor when treating similar conditions in children. By recognizing the importance of biotin, we can help improve health outcomes for those experiencing dermatological challenges tied to this rare disorder.

Eczema almost gone

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13 people found this helpful

Dyshidrosis has disappeared! My daughter, who has sensitive skin, had sweat blisters on her soles. Steroid creams and anti-allergic treatments were ineffective. I decided to halve the biotin tablets I was using and let her lick it for two days (at my own risk). Thankfully, there is no more itching and the eczema is thinning! After two weeks of continuing with half a tablet, there are no complaints, and the eczema has nearly vanished. We plan to reduce the dosage gradually and see its progress. Thank you, biotin!

Updated: Mar 2026

Rash details

SCIENTIFIC SCORE

Moderately Effective

Based on 16 Researches

Biotin effectively improves rash symptoms

Kim SW, Lee HJ, Choi N, Kim EK, Ko JM. Dramatic Clinical Improvement With Biotin Mega-Dose Therapy in a Neonate With Holocarboxylase Synthetase Deficiency. Mol Genet Genomic Med. 2024;12:e70002. doi:10.1002/mgg3.70002

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.

Fewer rashes noted

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56 people found this helpful

Excellent! After two months of application, I've noticed my skin has lightened, and the rashes have reduced. My nails have stopped flaking. I recommend this biotin to everyone.