Lysine is an essential amino acid necessary for various metabolic functions. The term "essential" means the body cannot produce it on its own and you must supply it through your diet. Zinc is a micronutrient needed for many cellular processes. It is natural in some foods and added to others.
Function of Lysine
Amino acids are the building blocks of all body tissues. You need lysine for the formation of collagen, the most abundant type of connective tissue found in skin, tendons, and cartilage. It is also necessary for calcium absorption and the production of carnitine, a substance that converts fatty acids to energy and helps lower cholesterol. Used as a supplement, lysine minimizes herpes outbreaks and osteoporosis.
Function of Zinc
Your body requires zinc for the normal function of approximately 100 enzymes and zinc plays a role in protein synthesis, wound healing, and insulin storage. In addition, zinc plays key roles in nucleic acid production, immune system function and cell division. Zinc also promotes healthy growth during pregnancy, lactation, infancy, childhood and adolescence.
The Relationship Between Lysine and Zinc
Ligands are small molecules, ions, or atoms that bind to a central metal ion to form a complex. Ligands dictate the reactivity of the cell. Lysine is a ligand for zinc that increases zinc's absorption of zinc in the small intestine.
RDA and Diseases
The recommended daily allowance for zinc in healthy adult males is 11 mg per day and 8 mg per day for women. Zinc deficiencies cause slow growth, impaired immune function, loss of taste and smell, poor wound healing, skin problems and loss of appetite. Excess zinc intake results in nausea, vomiting, diarrhea, abdominal cramps, headaches and impaired copper function.
References
- "Basic Nutrition and Diet Therapy"; Sue Rodwell Williams; 2001
- "Advanced Nutrition and Human Metabolism"; James L Groff, et al; 2000
- University of Maryland Medical Center: Lysine
- Office of Dietary Supplements; National Institutes of Health; Zinc Fact Sheet
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