MAX Absorption, Vitamin B12 Sublingual Liquid Drops, 3000mcg Methylcobalamin Per Serving, 60 Servings, Non-GMO, Vegan Friendly

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People taking certain long-term medications, such as metformin and proton pump inhibitors, may also benefit from a supplement, as these medications can affect absorption of vitamin B12. Wang H, et al. (2018). Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency.

Thorne B-Complex is also NSF Certified for Sport. This means it has been tested to make sure it does not contain substances banned by major athletic organizations, making this a great option if you’re a vegan athlete. Yang C-H, et al. (2018). Impact of oral vitamin D supplementation on the ocular surface in people with dry eye and/or low serum vitamin D. Thorne’s B-complex capsules will provide you with 100 mcg of vitamin B12 as methylcobalamin. They also contain vitamin B1, B2, B3, B5, B6, B7, B9, and choline. It’s abundant in animal-based foods, including beef, salmon, and dairy products. Some other foods may be fortified with it. Research suggests that high dose oral supplements may be as effective as intramuscular injections at treating vitamin B12 deficiency. However, you should only use high dose supplements as directed by a healthcare professional.McMillan J. (2018). Spectrum of darkness, agent of light: Myopia, keratoconus, ocular surface disease, and evidence for a profoundly vitamin D-dependent eye. However, with severe vitamin B12 deficiency or absorption issues, healthcare professionals may recommend an intramuscular injection rather than an oral supplement. Avoid the wind. The wind can further dry out your eyes. Wear protective eyeglasses to shield your eyes.

The FNB did not establish a UL for vitamin B12 because of its low potential for toxicity [ 1]. Even at large doses, vitamin B12 is generally considered to be safe because the body does not store excess amounts. Interactions with Medications Kalkan Ç, Karakaya F, Tüzün A, Gençtürk ZB, Soykan I. Factors related to low serum vitamin B12 levels in elderly patients with non-atrophic gastritis in contrast to patients with normal vitamin B12 levels. Geriatr Gerontol Int 2016;16:686- Walsh, Karla. "8 Best Vitamin B12 Supplements to Help Boost a Low Intake, According to Experts." Prevention, 14 Mar. 2022, www.prevention.com/food-nutrition/g35351378/best-b12-supplements/. All vegans should have a reliable source of B12 whether that comes from a supplement or fortified foods like non-dairy milk, tofu, and nutritional yeast. Fortified foods and supplements are the only reliable source of vitamin B12 in a vegan diet,” says Geiger.Because water-soluble vitamins like vitamin B12 are regulated by the kidneys, any excess that your body doesn’t need will be excreted in your urine. This makes it unlikely that you’ll experience adverse side effects from taking too much.

The chemical form of B12 is either methylcobalamin, adenosylcobalamin, hydroxocobalamin, or cyanocobalamin. Methylcobalamin and adenosylcobalamin are the active forms of B12, while hydroxocobalamin and cyanocobalamin become active once they are converted to methylcobalamin or adenosylcobalamin. Still, multiple studies have also found oral vitamin B12 supplements to be safe and effective ( 33, 34, 35, 36). While most vegans and many vegetarians will benefit from B12 supplements, the following groups, whether or not they are vegetarian or vegan, may benefit from B12 supplements: Bhargava R, et al. (2015). Oral omega-3 fatty acids treatment in computer vision syndrome related dry eye.

2. Key facts

You might notice that we have several Nature Made products on our list. That’s because Nature Made is a trusted company that produces quality supplements at affordable price points. We like that their slow-release vitamin B12 supplements are cost effective and require only one tablet daily.