Chelated Zinc and Methionine
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Zinc and Women
More than 70% of women do not obtain the minimum daily requirement of zinc from their diets. Zinc is an enzyme co-factor that assists the body in absorbing enzymes, such as Vitalzym. Additionally, it plays an important role in hormone production and balance, and is crucial to the manufacture and repair of DNA. Zinc's role in strengthening a women's immune system is rapidly being recognized as critical.
Zinc helps prevent hormonal imbalance and fibrosis conditions because it plays an important role in hormone production and balance. Zinc helps to increase progesterone levels and lower estrogen. The American Zinc Association states that as a woman ages, she may undergo dietary or hormonal changes which could affect her zinc status. For example, excess estrogen can lower serum zinc levels and women who are estrogen dominant or using estrogen replacement therapy should check to be sure their zinc intake is adequate.
According to the America Zinc Association, zinc may help in the treatment of pre-menstrual syndrome (PMS), which affects 50 percent of all menstruating women. Recent studies cannot say for sure, but there is growing evidence that a deficiency of progesterone underlies PMS, and trace amounts of zinc regulate the secretion of hormones, including progesterone.
Early research at Baylor College of Medicine in Houston found significantly lower levels of zinc among women with PMS during the last 13 days of the menstrual cycle. This reduction could lead to a decrease in secretions of progesterone and endorphins, the natural painkillers our bodies produce. The research is preliminary and if zinc deficiency does play a role, it might only affect a subgroup; nevertheless, studies continue to confirm zinc's importance to the regulation of hormones. Zinc also governs the contractibility of muscles, including uterine muscle, and plays a role in menstrual regulation.
Zinc and Men
Commonly used to manage colds, zinc is one of the most important supplements for men’s health. And is most concentrated in the prostate gland.2 A key mineral in male sexual function and a protector nutrient against prostate cancer.1,3
For the aging male population, zinc supplementation can be indicated for several reasons. The mineral zinc, which inhibits the activity of the 5-alpha reductase enzyme that irreversibly converts testosterone to dihydrotestosterone, may be helpful in the treatment of benign prostatic hyperplasia (enlarged prostate).1 Zinc also has a critical role in male sexual function and is necessary for all aspects of male reproduction, including hormone metabolism and sperm formation and motility.1
In men, zinc deficiency syndromes can present in different ways. Low testosterone and low sperm counts may be signs of a zinc deficiency.9 Men with excessive estrogen levels despite normal testosterone levels may also lack the mineral.4 Increased estrogen levels result from elevated amounts of the aromatase enzyme which converts testosterone to estrogen.4
Read more about zinc for Men's Health on our Zinc for Men webpage.
Symptoms of Zinc Deficiency
- Delayed wound healing
- Difficulty hearing
- Frequent infections
- Impaired sense of taste or smell
- Joint pain
- Light sensitivity
- Night Blindness
- Problems with hair, skin, or nails
- Weak sexual function or sterility
Vital During Pregnancy & Breastfeeding
Because zinc is used to generate cells, it is essential for the developing fetus where cells are rapidly dividing. Adequate zinc contributes to growth, lessens premature births and other complications, and improves neonatal survival.
Zinc is also important to mothers who breastfeed. Studies in The Lancet showed that by the sixth month of lactation even a well-nourished mother may provide less zinc than is necessary for her infant. Zinc causes babies to thrive. Breastfed babies who received zinc supplements grew significantly in length and weight over those given a placebo.
Zinc and Aging
A Wayne State study found that nearly 30 percent of a large group of healthy, affluent women over 50 were zinc deficient. It's believed that zinc deficiency is common in older women, partly because they eat less, which makes getting enough zinc difficult.
Zinc's role in strengthening a women's immune system is rapidly being recognized as critical. Without enough zinc, the body can't produce thymulin, a substance which helps make mature T-cells, some of the body's strongest defenders against infections and disease. The immune system weakens with age, and zinc deficiency may be partly to blame.
Zinc also plays a role in maintaining vision. In particular, it's needed for night vision and it may also slow the progression of macular degeneration, a disorder of the retina that is the leading cause of severe loss of vision in older women.
Groundbreaking research in zinc is its role in genetic transcription and replication. The discovery of "zinc fingers," which activate hundreds of genes, promises understanding of how growth promoters, like steroids, work and may help treat tumors and viral diseases. Zinc finger proteins bind to DNA by wrapping around small sections of DNA molecules, activating a gene. Research into zinc finger proteins has already explained some genetic defects.
Zinc and Vitalzym
Zinc is an essential mineral that is found in almost every cell. It is necessary for the enzymes that regulate cell division, growth, wound healing, and proper functioning of the immune system.
According to the Linus Pauling Institute at Oregon State University, “nearly 100 different enzymes depend on zinc for their ability to catalyze vital chemical reactions. Zinc-dependent enzymes can be found in all known classes of enzymes.”7
Zinc is an enzyme co-factor that assists the body in absorbing enzymes, such as those found in Vitalzym, to help them work as efficiently as possible in the body.
If you are using Vitalzym for any condition, you may not be utilizing the enzymes as well as possible because you may have low levels of zinc.
Between 15 and 50 mg a day is suggested to optimize enzyme absorption, the immune system, and hormonal balance.
Serving Size: One (1) Vegetarian Capsule
Servings per Container: 60 Capsules
Amount per Serving: 25 mg. Zinc (zinc monomethionine)
Zinc monomethionine is a 1:1 chelated complex of the antioxidants zinc and methionine. Human and animal studies have demonstrated that zinc monomethionine is more effective than other zinc supplements tested. Zinc monomethionine has been shown to stimulate new cell growth, enhance immunity, nourish skin structures, support male sexual function, and fight free radical damage.
Other ingredients: hydroxy propyl methyl cellulose (vegetarian capsule), microcrystalline cellulose and magnesium stearate.
Contains no added sugar, starch, salt, wheat, gluten, corn, coloring, dairy products, flavoring or preservatives.
Manufactured by Vitamin Research Products.
Suggested Use: As a dietary supplement, take 1 to 2 capsules daily with meals or as directed by a health care professional.
Long-term supplementation at doses above 50 mg/day can induce a copper deficiency and has been shown to cause an increase in cholesterol and lower HDL levels.5 Supplementing copper with the zinc should eliminate this problem.8
Possible Zinc Side Effects
If your multi-vitamin/mineral formula contains copper and zinc, please factor the amount into your daily intake. For those who live in areas where there are high copper levels in water, there may not be a need to supplement with copper.
People with estrogen dominance may not need to add copper into their daily regimen, due to the fact that copper is generally high when this condition is present. Additionally, high levels of copper can be reduced by taking zinc alone.
Individuals who are not sure if they should take copper while supplementing with zinc may want to have their copper levels tested prior to adding it to their diet.
Doses above 150 mg/day can be problematic and cause diarrhea, dizziness, drowsiness, vomiting, muscle in-coordination, and lethargy.9
1. Murray MT, Pizzorno JE. Encyclopedia of Natural Medicine. 2nd ed. Rocklin, CA: Prima Publishing; 1998.
2. Burton Goldberg Group. Alternative Medicine. Tiburon, CA: Future Medicine Publishing Inc; 1997.
3. Pelton R, LaValle JB, Hawkins EB, et al. Drug-Induced Nutrient Depletion Handbook. 2nd ed. Cincinnati, OH: Natural Health Resources; 2001.
4. Schauss AG. Minerals, Trace Elements, and Human Health. 4th ed. Tacoma, WA: Biosocial Publications; 1999.
5. Baum MK, Shor-Posner G, Campa A. Zinc status in human immunodeficiency virus infection. J Nutr. 2000;130(5S Suppl):1421S-1423S.
6. Shankar, A.H. & Prasad, A.S. Zinc and immune function: the biological basis of altered resistance to infection. American Journal of Clinical Nutrition. 1998; volume 68: pages 447S-463S.
7. Food and Nutrition Board, Institute of Medicine. Zinc. Dietary reference intakes for vitamin A, vitamin K, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. Washington D.C.: National Academy Press; 2001:442-501.
8. Challem J. The Inflammation Syndrome. Hoboken, NJ: John Wiley & Sons Inc; 2003.
9. Zini A, Fischer MA, Nam RK, Jarvi K. Use of alternative and hormonal therapies in male infertility. Urology. 2004;63:141-143.