Thorne Research Bio-B12 Side Effects, 13 Reviews & Coupon*

Thorne Research Bio-B12 Reviews
Shipping: Free, Intl. $1.10+
Bottle Size: 60 veggie caps
Serving Size: 1 capsule
Reviews: 13+
Rating: 4.5

Thorne Research Bio-B12 are natural vitamin B12 and folic acid supplement. See 13+ Thorne Research Bio-B12 Reviews, and buy it at:

Bio-B12®: vitamin B12 and folic acid in a base of papain to enhance absorption*

• A unique Thorne product
• A viable option to sublingual B12 products
• Without preservatives, magnesium stearate, or other lubricants and diluents
• Made without flowing agents that can inhibit bioavailability

Thorne Research Bio-B12 Benefits

In order for vitamin B12 to be absorbed in the gastrointestinal tract, it first needs to be bound in the stomach to a protein called R-protein. In the intestines pancreatic proteases cause the R-protein to release vitamin B12 to bind with intrinsic factor, making it absorbable. Thorne’s Bio-B12 contains methylcobalamin (an active form of vitamin B12) and folic acid in a base of papain. Papain is a potent protein-digesting enzyme from papaya that also results in the release of vitamin B12 from the R-protein, thus facilitating the absorption process.* Zinc picolinate is included for support of the pancreas, which produces other digestive enzymes that facilitate the absorption process.*

Methylcobalamin (an active form of vitamin B12) is essential for recycling homocysteine and the formation of methyl donors involved in cardiovascular function, sleep, blood cell formation, and nerve function.* Most vitamin B12 supplements contain cyanocobalamin; however, the liver must first “detoxify” the cyanide molecule and attach a methyl group to form methylcobalamin from the cyanocobalamin. Methylcobalamin is already in the biologically active, tissue-ready form.* Evidence indicates the body utilizes methylcobalamin more efficiently than it does cyanocobalamin.* Research shows the quantity of cobalamin detected following a small oral dose of methylcobalamin is similar to the amount following administration of cyanocobalamin; but significantly more cobalamin accumulates in liver tissue following administration of methylcobalamin. Human urinary excretion of methylcobalamin is about one-third that of a similar dose of cyanocobalamin, indicating substantially greater tissue retention.*

Thorne Research Bio-B12 Ingredients

Vitamin B12 (as Methylcobalamin) 1 mg.
Folic Acid 800 mcg.
Zinc (as Zinc Picolinate) 15 mg.
Papain* 75 mg.

Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Silicon Dioxide. An enzyme derived from Papaya (Carica papaya). (See manufacturer’s warnings at iHerb.)

Thorne Research Bio-B12 Side Effects

Bio-B12 is safe for most users. A search of “Bio-B12 side effects” and “Bio-B12 reviews” revealed no known side effects. To avoid possible side effects, start with a small dose, and gradually increase to the recommended dosage. Always consult your doctor before taking any supplement.

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Resources: Thorne Research, Thorne Research Canada, Linkedin/Thorne Research, ConsumerLab/Thorne Research Reviews