FAQ's

What is Vitamin B12?

Vitamin B-12, also called cobalamin, is the B vitamin that supports normal functioning of the brain and nervous system, energy production, and for the formation of red blood cells. It’s important to know that vitamin B-12 is a name that refers to a group of vitamins known as cobalamins; this includes methylcobalamin, adenosylcobalamin, hydroxo-, and cyanocobalamin.

What are hydroxo and cyanocobalamin? 

Cheap, lesser quality forms of vitamin B-12 often used by bargain vitamin companies who add them for marketing purposes. Cyanocobalamin contains a cyanide molecule that must be metabolized by the liver. The process of removing the cyanide molecule uses methyl groups normally used to lower homocysteine levels (higher homocysteine cause stress on the heart). Cyanocobalamin robs your body of beneficial methyl groups and is a perfect example of an instance when low-quality vitamins are worse than no vitamins.

Why Chose HOLT Vitamin B12?

It contains 100% methylcobalamin. The most bioavailable and active form of B-12. No conversion in the liver is necessary, resulting in the supplement being highly absorbable. HOLT B-12 is an easy and delicious liquid formula. No more nasty injections. Read more about our supplement here.

How much are shipping costs?

Shipping is free across the US but will incur a charge that will differ from region to region. Our checkout calculator will be able to determine this cost for you.

But, can't I just get Vitamin B12 from fortified foods?

Nutrition yeast, cereals, and many plant milk's have fortified Vitamin B12, which results in a number of vegans taking the term and advising one another that they'll be alright so long as they just consume fortified foods. Let's look at the reasons why this might be a concerning perception. The recommended dietary allowance (RDA) for adults is 2.4 micrograms (mcg) a day. Most of these products are only consumed in small amounts and would likely result in a maximum intake of 1 mcg per portion if a larger amount was consumed. When synthetic vitamin B12 is added to fortified foods and dietary supplements, it is already in free form and, thus, does not require this separation step to be absorbed. However, when consuming in this form, Approximately 56% of a 1 mcg oral dose of vitamin B12 is absorbed, but absorption decreases drastically when the capacity of intrinsic factor is exceeded (at 1–2 mcg of vitamin B12). 

Vitamin B-12 in foods typically requires stomach acid for absorption which results in a concern for those over 50 who are likely to have less stomach acid or those who take acid blockers such as Pepcid or Zantac, or proton pump inhibitors such as Prevacid, or Prilosec.

What's the difference in liquid form compared to a pill?

Liquid forms of vitamin B12 are known as sublingual, which means under the tongue. The advantages here are that the supplement can then diffuse directly into the bloodstream through tissues under the tongue. Why is this better? Well, it results in an absorption because of this route as opposed to being absorbed through the intestinal tract and inability to absorb vitamin B12 from the intestinal tract can lead to cause a type of anemia called pernicious anemia. Many pill form supplements also contain preservatives and synthetic ingredients that our bodies do not recognise, resulting in the sublingual supplement providing a much faster form of vitamin B12. Since our product is pure and contains just Methylcobalamin, it's likely to save you time and money, providing you with the only ingredient your body needs, while making it completely bioavailable for your body to use.