Sports Research® Vitamin B12 as Methylcobalamin 2000mcg - Plant Based B12 w/Coconut MCT Oil for Energy Metabolism Support - Vegan Certified · Non-GMO · Gluten Free - 120 Liquid Caps

Clinical trials typically use 500-2,000 mcg daily (methylcobalamin). Sports Research Vitamin B12 Methylcobalamin 2000mcg delivers 2000mcg methylcobalamin per serving; 120 capsules per bottle, which we classify as Therapeutic relative to that range.

See the "Also consider" section below for two alternatives. Choose based on form preference (Liquid Veggie Capsule vs alternatives), dose adequacy, and third-party testing.

Yes — Non-GMO Project Verified; Vegan Certified; cGMP manufactured; third-party tested per SR quality protocol. Third-party testing verifies ingredient identity and label accuracy.

Yes — Amazon Subscribe & Save is available for this product. Enrolling locks in a recurring delivery at a reduced per-unit price.

B12 supplementation is generally low-risk for medication interactions. Metformin (diabetes) and proton pump inhibitors (acid reducers) can reduce B12 absorption, making supplementation more important in those populations. High-dose B12 may theoretically interfere with some laboratory assays — inform your doctor you are supplementing if bloodwork is planned.

Vitamin B12 is water-soluble and excreted in urine when consumed in excess — no established upper tolerable intake level exists. Long-term use of 1000-2000mcg methylcobalamin is well-tolerated with no documented toxicity in clinical literature. Some individuals report mild acne with very high-dose B12 supplements, though this is uncommon at 2000mcg.

B12 supplements are generally very well tolerated. The small amount of coconut MCT oil in the liquid capsule may cause mild GI discomfort in those sensitive to MCTs on an empty stomach. Starting with food can minimize this. Methylcobalamin is the gentlest form of B12 on digestion compared to synthetic alternatives.

Yes — B12 works synergistically with folate (B9) and B6 in the methylation cycle, so combining with a B-complex can enhance overall B-vitamin metabolism. Safe to stack with iron, vitamin D, omega-3s, and magnesium. No known negative interactions with common supplement combinations.

Take one liquid veggie capsule daily with food and water. Those with B12 deficiency may benefit from confirming repletion with a serum B12 blood test after 2-3 months of daily supplementation. Store at room temperature away from heat and direct sunlight to preserve capsule integrity.

B12 supports energy metabolism, so individuals with a true deficiency may notice improved energy and reduced fatigue within 2-4 weeks of supplementation. Neurological symptoms of B12 deficiency (tingling, brain fog) may take 1-3 months to improve with consistent supplementation. Those without deficiency may not notice subjective changes.