Vitamin B12

Vitamin B12 deficiency is the medical condition of low blood levels of vitamin B12. A wide variety of signs and symptoms may occur including a decreased ability to think and behavioural and emotional changes such as depression, irritability, and psychosis. Abnormal sensations, changes in reflexes, and poor muscle function can also occur as may inflammation of the tongue, decreased taste, low red blood cells, reduced heart function, and decreased fertility. In young children symptoms include poor growth, poor development, and difficulties with movement. Without early treatment some of the changes may be permanent.

Common causes include poor absorption from the stomach or intestines, decreased intake, and increased requirements. Decreased absorption may be due to pernicious anemia, surgical removal of the stomach, chronic inflammation of the pancreas, intestinal parasites, certain medications, and some genetic disorders

At Holistics Online we stock 2 great B12 products.


Liposomal Methyl B12 – Vitamin B12 is an essential water-soluble nutrient for the normal function of several body systems, including the cardiovascular, nervous, and digestive systems. It also helps support liver function and the detoxification process. A diet without adequate B12 can adversely affect the production of basic building blocks, like RNA and DNA, but also production of red blood cells. Research shows that many people can have difficulties metabolizing and absorbing B-12, especially when digestive and/or intestinal functioning is suboptimal. For these people, intraoral liposomal delivery is the best method (besides intravenous therapy) for achieving rapid shifts in blood levels of this key nutrient. Quicksilver’s Liposomal Methyl B-12 has greater bioavailability than any other over-the-counter B12 product available today.

Optimal Liposomal Active B12 with L-5-MTHF by Seeking Health provides 5000 mcg of vitamin B12 as methylcobalamin per serving, plus 100 mcg of methylfolate. Vitamin B12 is crucial to the formation of healthy red blood cells, energy production, nervous system support, cognitive function, and healthy homocysteine regulation. Unlike cyanocobalamin, the most commonly used form of vitamin B12 in dietary supplements, methylcobalamin is considered an active “coenzyme” form of B12. Cyanocobalamin must be converted by enzymes into an active form to be utilized within the body. Methylcobalamin, on the other hand, is directly used in B12-dependent enzyme functions. It is the predominant form of B12 in blood plasma and other bodily fluids.

Folate is crucial for healthy growth and development, healthy homocysteine metabolism, assisting DNA repair, and supporting neurological processes. L-5-methyltetrahydrofolate (L-5-MTHF), an active “methylated” form of folate, is included in this product to help support proper absorption and utilization within the body.

Optimal Liposomal Active B12 with L-5-MTHF uses only natural non-hydrogenated phospholipids to make up the liposomes that set this advanced delivery method apart from the rest. Liposomes have long been used by nature to deliver life-sustaining nutrition via mother’s milk and by pharmaceutical companies to deliver various active ingredients. Each serving provides active forms of vitamin B12 and folate in a natural phospholipid complex base from non-GMO sunflower. This is a soy-free formula.

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