Lysine

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L-lysine (or lysine) is an essential amino acid. The recommended dosage of lysine for healthy hair is 500-1000 mg/day. ²²²

Dietary Sources of Lysine

Avocados ²²²
Chicken ²²²
Cottage cheese ²²²
Legumes ⁵
Rye ¹⁷⁴
Wheat germ ²²²

Physiological Effects and Benefits of Lysine

Necessary component for all proteins, including hair keratins and skin cell collagen; lysine deficiency can cause hair loss. ³⁷
Helps produce natural antioxidants 37.
Helps increase the absorption of iron and zinc, essential nutrients for healthy hair. ^{32, 47}
Studies show that lysine inhibits 5α – reductase enzyme (type-2). ⁵
Antiviral. ²²²

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Deficiencies in iron and zinc can cause hair loss.

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