Healthy hair is not only about external care—it depends largely on proper nutrition and cellular function.
Understanding Hair Structure
Hair is primarily made of keratin, a protein rich in sulfur-containing amino acids.
Its growth depends on:
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rapid cell division
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strong energy production
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good blood circulation
Essential Nutrients
B Vitamins (B3, B5, Biotin)
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support cellular energy
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promote growth
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help maintain scalp hydration
Copper
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supports pigmentation
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contributes to collagen production
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strengthens hair structure
Zinc
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essential for cell division
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supports regrowth
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strengthens hair
Amino Acids and Proteins
Hydrolyzed keratin
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provides building blocks for hair structure
Arginine
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improves blood circulation
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enhances nutrient delivery to hair follicles
Minerals and Structural Support
Magnesium
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supports energy production
Silica (Silicon)
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strengthens hair
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improves resistance
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supports collagen
Brewer’s Yeast: A Complete Nutritional Source
Brewer’s yeast is naturally rich in:
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B vitamins
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zinc
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amino acids
It has traditionally been used for:
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diffuse hair loss
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fragile or weakened hair
A Holistic Approach
Hair health depends on:
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proper nutrition
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mineral balance
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cellular support
Supplements help address the root causes, beyond what topical care can achieve.
About Pierre Haddad
Pierre S. Haddad holds a Ph.D. in Pharmacology from the University of Montreal. For over 40 years, he has conducted scientific research in Quebec and internationally (Austria, United States, Morocco). For more than 25 years, his work has focused on natural health products, traditional medicine, and the mechanisms of action of medicinal plants, particularly in the context of metabolic diseases such as diabetes and obesity. He has received numerous awards and distinctions from academic, research, and complementary medicine communities. He currently serves as Interim Scientific Director at Maison Jacynthe.
REFERENCES
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Thompson JM, Mirza MA, Park MK, Qureshi AA, Cho E. The Role of Micronutrients in Alopecia Areata: A Review. Am J Clin Dermatol. 2017 Oct;18(5):663-679. doi: 10.1007/s40257-017-0285-x. PMID: 28508256; PMCID: PMC5685931.
Patel DP, Swink SM, Castelo-Soccio L. A Review of the Use of Biotin for Hair Loss. Skin Appendage Disord. 2017 Aug;3(3):166-169. doi: 10.1159/000462981. Epub 2017 Apr 27. PMID: 28879195; PMCID: PMC5582478.
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Zufishan S, Haque Z, Nazar S, Afaq E, Aamir E, Rafique S. Role of zinc in chronic telogen effluvium in serum and hair of patients with alopecia. J Pak Med Assoc. 2024 Feb;74(1 (Supple-2)):S47-S50. doi: 10.47391/JPMA-DUHS-S10. PMID: 38385471.
Kil MS, Kim CW, Kim SS. Analysis of serum zinc and copper concentrations in hair loss. Ann Dermatol. 2013 Nov;25(4):405-9. doi: 10.5021/ad.2013.25.4.405. Epub 2013 Nov 30. PMID: 24371385; PMCID: PMC3870206.
Beer C, Wood S, Veghte RH. A clinical trial to investigate the effect of Cynatine HNS on hair and nail parameters. ScientificWorldJournal. 2014;2014:641723. doi: 10.1155/2014/641723. Epub 2014 Oct 16. PMID: 25386609; PMCID: PMC4214097.
Sadgrove NJ, Simmonds MSJ. Topical and nutricosmetic products for healthy hair and dermal antiaging using "dual-acting" (2 for 1) plant-based peptides, hormones, and cannabinoids. FASEB Bioadv. 2021 Jun 6;3(8):601-610. doi: 10.1096/fba.2021-00022. PMID: 34377956; PMCID: PMC8332470.
Jurkić LM, Cepanec I, Pavelić SK, Pavelić K. Biological and therapeutic effects of ortho-silicic acid and some ortho-silicic acid-releasing compounds: New perspectives for therapy. Nutr Metab (Lond). 2013 Jan 8;10(1):2. doi: 10.1186/1743-7075-10-2. PMID: 23298332; PMCID: PMC3546016.
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