DESCRIPTION

Our vitamin B₁₂ is the methylcobalamin form; this is a more bioavailable form of B₁₂, with added cofactors to maximize absorption.

Vitamin B₁₂ is a member of the vitamin B complex. It also called cobalamin and is important to good health. There are two types of commercial vitamin B₁₂: cyanocobalamin and methylcobalamin. New Roots Herbal uses only the methyl form, as it is the coenzyme form and the only type which can directly participate in homocysteine metabolism. In addition, converting homocysteine to methionine via methylcobalamin generates an increased supply of S‑adenosylmethionine (SAMe), the body’s most important methyl donor. Indeed, some of the benefits of methylcobalamin, such as protection from neurotoxicity, appear to derive from increased production of SAMe. It helps maintain healthy nerve cells and red blood cells, and is also needed to make DNA, the genetic material in all cells. Vitamin B₁₂ is bound to protein in food; hydrochloric acid in the stomach releases vitamin B₁₂ from protein during digestion. Once released, vitamin B₁₂ combines with a substance called intrinsic factor (IF) before it is absorbed into the bloodstream.

Bacteria synthesize vitamin B₁₂ exclusively, and common sources are found primarily in meat, eggs, and dairy products. Vitamin B₁₂ is necessary for the synthesis of red blood cells and the maintenance of the nervous system, and is very important for growth and development in children. Deficiency can cause anemia and the degeneration of nerve fibres. Irreversible neurological damage can also occur.

Vitamin B₁₂ is also necessary for the rapid synthesis of DNA during cell division. This is especially important in tissues where cells are dividing rapidly, particularly bone marrow tissues responsible for red blood-cell formation. If a deficiency occurs, DNA production is disrupted and abnormal cells, called megaloblasts, are formed; this results in anemia. Symptoms include excessive tiredness, breathlessness, listlessness, pallor, and poor resistance to infection. Other symptoms can include a smooth, sore tongue and menstrual disorders. Anemia may also be due to folic acid deficiency, folic acid also being necessary for DNA synthesis.

An insulating fatty sheath, comprised of a complex protein called myelin, surrounds our nerves. Vitamin B₁₂ plays a vital role in the metabolism of these fatty acids essential for the maintenance of myelin. Prolonged vitamin B₁₂ deficiency can lead to nerve degeneration and irreversible neurological damage.

When deficiency occurs, it is more commonly linked to a failure to effectively absorb vitamin B₁₂ from the intestine rather than a dietary deficiency. Absorption of vitamin B₁₂ requires the secretion from the cells lining the stomach of a glycoprotein, known as intrinsic factor. The vitamin B₁₂ intrinsic factor complex is then absorbed in the ileum (part of the small intestine) in the presence of calcium. Certain people are unable to produce intrinsic factor, and the subsequent pernicious anemia is treated with injections of vitamin B₁₂.

Vitamin B₁₂ can only be stored in small amounts by the body. Total body store is 2–5 mg in adults, around 80% of which is stored in the liver.

Vitamin B₁₂ is excreted in the bile and is effectively reabsorbed; this is known as the enterohepatic circulation. The amount of vitamin B₁₂ excreted in the bile can vary from 1 to 10 mcg a day. Reabsorption is the reason it can take over 20 years for deficiency disease to develop in people changing to diets absent in vitamin B₁₂. In comparison, if vitamin B₁₂ deficiency is due to a failure in absorption, it can take three years for deficiency disease to occur.

DIRECTIONS OF USE

Adults: Take 1 capsule daily with food or as directed by your health-care practitioner. Consult a health-care practitioner for prolonged use.

INGREDIENTS

Each vegetable capsule contains:
Vitamin B₁₂ (methylcobalamin)	1000 mcg
Red beet (Beta vulgaris) root	374 mg
Dandelion (Taraxacum officinale) root extract, 3% flavonoids	40 mg
Lapacho (Tabebuia heptaphylla) inner bark	50 mg
Plant digestive enzymes alpha-galactosidase 0.2533 FCC alpha-galactosidase units, alpha-amylase 157.5 FCC alpha-amylase dextrinizing units, bromelain 9600 FCC PU, cellulase 16.8 FCC cellulase units, glucoamylase 0.666 FCC AGU, hemicellulase 0.453 FCC HCU, invertase 1.05 FCC INVU, lactase 7.253 FCC ALU, lipase 40 FCC LU, maltase 1.73 FCC DP, papain 4000 FCC PU, pectinase 0.8 FCC endo‑PG, phytase 0.0333 FCC FTU, fungal protease 552.5 FCC HUT, acid protease 0.76 FCC SAP, neutral protease 60 FCC HUT, dipeptidyl-peptidase IV 27.33 FCC HUT.
Other ingredients: Vegetable magnesium stearate and silicon dioxide in a non‑GMO vegetable capsule composed of vegetable carbohydrate gum and purified water.

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