Brand: Life Extension     Categories: Heart / Vitamin B 12

B12 500mcg

Vitamin B12 is present in foods of animal origin, including dairy products and eggs. Thus, vegetarians are more susceptible to a dietary deficiency of this important nutrient.212 Likewise, vitamin B12 serum concentrations are reported to be significantly lower in elderly population groups compared to younger groups.213-216 It is estimated that 10% to 30% of individuals over the age of 50 have low stomach acid secretion217,218 which results in decreased bioavailability of vitamin B12 from food. To overcome food-bound vitamin B12 malabsorption problems, the Institute of Medicine recommends that vitamin B12-fortified foods (such as fortified ready-to-eat breakfast cereals) or supplements containing vitamin B12 be used to meet much of the requirement.219 Vitamin B12, or cobalamin, works synergistically with vitamin B6 and folate to regenerate (methylate) the amino acid methionine, which helps to maintain already healthy homocysteine levels already within normal range, which is important for heart health.220,221

Cyanocobalamin is a synthetic and inexpensive form of vitamin B12 that is converted in the body to its bioactive forms, methylcobalamin and coba-mamide.

References

Item#	Brand	Name	Size	Form	Retail	Price
159	Life Extension	B12 500mcg	100	Lozenge	$8.75	$6.56

B12 500mcg  100  Lozenge Supplement Facts Serving Size: 1 Lozenge Amount per serving % Daily* Value Vitamin B12 (as cyanocobalamin) 500 mcg 8,333% *Percent Daily Values are based on the 2000 Calorie Diet. Your daily values may be higher or lower depending on your calorie needs. Other Ingredients: mannitol, sorbitol, microcrystalline cellulose, magnesium stearate, croscarmellose sodium, strawberry flavor. Contains: corn. Contains no: milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, tree nuts, wheat, yeast, gluten, or rice. Contains NO artificial sweeteners, flavors, colors, or preservatives. Directions: Take one lozenge one to four times daily with or without food, or as recommended by a healthcare practitioner. Place lozenge in mouth and allow to dissolve, then swallow.

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