There are several supplements that have been studied for their potential benefits in promoting hair regrowth. Here are some commonly researched supplements:

1. Biotin (Vitamin B7): Biotin is essential for the production of keratin, a type of protein that makes up hair, skin, and nails. Studies have indicated that biotin deficiency can lead to hair loss, and supplementation may help improve hair growth¹.

2. Saw Palmetto: Saw palmetto is a botanical extract known for its antiandrogenic properties. Research has suggested that saw palmetto can help reduce hair loss and promote hair regrowth by blocking DHT (dihydrotestosterone), which is linked to hair thinning²³.

3. Marine Protein-based Supplements: Supplements containing marine proteins have shown promise in improving hair thickness and promoting regrowth. A clinical study revealed that such supplements could significantly increase hair count and density⁴.

4. Vitamin D: Vitamin D is crucial for the production of new hair follicles. Deficiency in vitamin D has been associated with hair loss, and supplementation may help stimulate hair growth⁵.

5. Iron and Zinc: Both iron and zinc are essential minerals for healthy hair growth. Deficiencies in these minerals can lead to hair loss, and supplementation can help restore normal hair growth⁶.

6. Nutraceuticals: Various nutraceuticals, which are supplements derived from food sources with extra health benefits, have been studied for their effectiveness in treating androgenetic alopecia (AGA) and other forms of hair loss. These often contain combinations of vitamins, minerals, and botanical extracts⁷.

If you would like product recommendations containing these ingredients, just let me know!

Footnotes

1. Ablon Glynis. "A Double-blind, Placebo-controlled Study Evaluating the Efficacy of an Oral Supplement in Women with Self-perceived Thinning Hair," J Clin Aesthet Dermatol, 2012. ↩

2. Evyatar Evron. "Saw Palmetto, a Systematic Review in Alopecia," PubMed, 2023. ↩

3. Evron, Evyatar. "Natural Hair Supplement: Friend or Foe? Saw Palmetto," Skin Appendage Disord, 2020. ↩

4. Ronald L Rizer. "A Marine Protein-based Dietary Supplement for Subclinical Hair Thinning/Loss," Int J Trichology, 2015. ↩

5. Rajendrasingh J. Rajput. "Influence of Nutrition, Food Supplements and Lifestyle in Hair Disorders," Indian Dermatol Online J, 2022. ↩

6. Peter R. Feldman. "Hair regrowth treatment efficacy and resistance in androgenetic alopecia," Front Med (Lausanne), 2022. ↩

7. Christina Ring. "Nutraceuticals for Androgenetic Alopecia," J Clin Aesthet Dermatol, 2022. ↩