December 2021 in “Jurnal ilmiah Manuntung” The best hair growth results were achieved with a hair tonic containing 5% gotu kola extract and 0.04% garlic extract.
January 2026 in “Food Science and Human Wellness” Krill oil may help reduce prostate enlargement and growth.
July 2025 in “Bulletin de la Banque Méllié Iran.” Spirulina extract helps stem cells become neuron cells safely.
July 2021 in “Asia-Pacific journal of convergent research interchange” Cauliflower Mushroom extract may help treat male hair loss by affecting hair growth-related genes.
1 citations
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November 2022 in “Molecules/Molecules online/Molecules annual” Some calcium supplements have more calcium than their labels say, and a few have less.
2 citations
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January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
January 2026 in “Environmental Science and Pollution Research” Wheat sprout extract can protect skin from toxin damage.
34 citations
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March 2020 in “BMC plant biology” Graphene oxide and indole-3-acetic acid together inhibit root growth in Brassica napus L. by affecting multiple plant hormone pathways.
Oregano extract can promote hair growth and has antioxidant benefits without being toxic.
May 2018 in “Más dermatología” The higher dose supplement was more effective in treating female hair loss.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
6 citations
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January 2013 in “Korean Journal of Pharmacognosy” Wheat bran can boost hair growth by affecting cell cycle proteins and signaling pathways.
13 citations
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May 2019 in “Cancer Prevention Research” Grape seed extract may safely and effectively help prevent lung cancer.
April 2012 in “한국생물공학회 학술대회” 
February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
Some supplements may help reduce side effects of cancer treatments in pets.
February 2026 in “Pakistan Veterinary Journal” Selenium and Vitamin E supplements improved antioxidant levels and cashmere production in goats.
13 citations
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December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
November 2019 in “Journal of Medicinal Food” The herbal mix effectively treats PCOS and can be sold for this use.
27 citations
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September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
April 2017 in “The FASEB Journal” Soy foods may lower colon cancer risk.
3 citations
,
January 2018 in “Journal of probiotics & health” 
1 citations
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July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may improve hair health.
26 citations
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September 2023 in “Bioengineered” Brown seaweed oligosaccharides have health benefits and potential uses in food and medicine.
Vinegar-processed black soybean helps hair growth and prevents hair loss.
4 citations
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October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
1 citations
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February 2017 in “PubMed” The supplement may help hair growth and is safe, but more research is needed.
1 citations
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January 2021 in “JIFFK Jurnal Ilmu Farmasi dan Farmasi Klinik” Celery extract didn't significantly boost hair growth in the gel.
17 citations
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December 1951 in “Experimental biology and medicine” Vitamin B12 and aureomycin can reverse or reduce cortisone's negative effects on body and hair growth in rats.