Saw palmetto has been extensively studied for its role in preventing hair loss, particularly in androgenetic alopecia (AGA), the most prevalent type of hair loss.
This plant-derived extract is thought to function as a 5-alpha-reductase inhibitor, similar to medications like finasteride. By reducing the conversion of testosterone into dihydrotestosterone (DHT)—a hormone associated with hair follicle miniaturization—saw palmetto may help slow or mitigate hair loss.
Enhanced Efficacy Through Combination Therapies
Although saw palmetto shows promise in reducing hair loss, research indicates it is more effective when combined with complementary ingredients. Several synergistic combinations have been explored to boost its efficacy, particularly for managing AGA.
1. Saw Palmetto + Biotin
Biotin, a B-vitamin essential for keratin production—the primary protein in hair—is often included in hair-loss treatments. While biotin deficiency is rare, supplementation can strengthen hair and support growth.
- Supporting Evidence: A 2015 study involving a nutraceutical blend of saw palmetto, biotin, and other nutrients showed marked improvements in hair density and quality within 12 weeks.
2. Saw Palmetto + Pumpkin Seed
Pumpkin seed oil contains phytosterols and compounds that inhibit DHT production while offering anti-inflammatory benefits for scalp health.
- Supporting Evidence: A 2014 randomized trial found that pumpkin seed oil alone increased hair growth by 40% in men with AGA over 24 weeks. Combined with saw palmetto, these effects may be amplified.
3. Saw Palmetto + Zinc
Zinc contributes to hair follicle recovery and inhibits DHT synthesis. Deficiency in zinc is associated with hair thinning, and supplementation can improve hair density and strength when paired with saw palmetto.
4. Saw Palmetto + Green Tea Extract (EGCG)
Green tea extract, rich in epigallocatechin gallate (EGCG), has demonstrated DHT-inhibiting properties and the ability to stimulate hair growth. This combination leverages complementary mechanisms: reducing DHT levels and promoting active follicle growth during the anagen phase.
5. Saw Palmetto + Nettle Leaf
Nettle root acts as a natural DHT inhibitor and is rich in silica, which strengthens hair strands. Anecdotal evidence suggests that pairing nettle leaf with saw palmetto can enhance DHT-blocking effects, though more scientific research is warranted.
HR23+ strategically combines saw palmetto with these complementary ingredients, increasing the potential for slowing hair loss and promoting regrowth.
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