OnePin Peptide Library · Metabolic
Injectable B-Complex
B-Complex Injection · Lipo-B
Injectable B-Complex is a parenteral formulation containing a combination of essential B vitamins, typically including thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), and cyanocobalamin or methylcobalamin (B12). Some formulations also include biotin (B7) and folic acid (B9). Injectable administration bypasses gastrointestinal absorption, which can be advantageous for individuals with malabsorption conditions, post-bariatric surgery patients, or those with significantly depleted levels.,B vitamins are water-soluble cofactors essential for energy metabolism, nervous system function, red blood cell formation, and DNA synthesis. They serve as coenzymes in hundreds of metabolic reactions, particularly in the citric acid cycle and mitochondrial electron transport chain. Deficiencies in B vitamins can cause a wide range of conditions including beriberi (B1), pellagra (B3), megaloblastic anemia (B12/folate), and peripheral neuropathy (B1, B6, B12).,Injectable B-Complex is FDA-approved for the treatment of documented B vitamin deficiencies and conditions requiring parenteral supplementation. It is commonly administered as an intramuscular (IM) or deep subcutaneous injection. In wellness and optimization contexts, it is used for energy support, though evidence for benefit in non-deficient individuals is limited. Individual B vitamin injections (particularly B12) have stronger evidence bases than the combined complex.
Start here. Every protocol below is ordered lowest-first. Begin at the smallest effective dose, hold about a week to assess tolerance, and step up only if needed.
How it works
B vitamins serve as essential coenzymes in cellular energy metabolism. Thiamine (B1) is a cofactor for pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase in the citric acid cycle. Riboflavin (B2) forms FAD, a key electron carrier in the electron transport chain. Niacin (B3) forms NAD+/NADH, central to redox reactions throughout metabolism.,Pyridoxine (B6) is a coenzyme for over 100 enzymatic reactions including amino acid metabolism, neurotransmitter synthesis (serotonin, dopamine, GABA), and hemoglobin production. Cobalamin (B12) and folate are essential for DNA synthesis, methylation reactions, and red blood cell maturation.,Injectable delivery achieves higher peak plasma levels than oral supplementation and completely bypasses intestinal absorption barriers, making it the preferred route for patients with GI malabsorption, pernicious anemia (intrinsic factor deficiency), or severe deficiency states requiring rapid repletion.
B vitamins serve as essential coenzymes in cellular energy metabolism. Thiamine (B1) is a cofactor for pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase in the citric acid cycle. Riboflavin (B2) forms FAD, a key electron carrier in the electron transport chain. Niacin (B3) forms NAD+/NADH, central to redox reactions throughout metabolism.,Pyridoxine (B6) is a coenzyme for over 100 enzymatic reactions including amino acid metabolism, neurotransmitter synthesis (serotonin, dopamine, GABA), and hemoglobin production. Cobalamin (B12) and folate are essential for DNA synthesis, methylation reactions, and red blood cell maturation.,Injectable delivery achieves higher peak plasma levels than oral supplementation and completely bypasses intestinal absorption barriers, making it the preferred route for patients with GI malabsorption, pernicious anemia (intrinsic factor deficiency), or severe deficiency states requiring rapid repletion.
What to expect
Days 1-7: Possible energy improvement, especially if previously deficient. Injection site soreness is common and resolves within 1-2 days.
Evidence
Interactions & stacking
What's safe to combine, and what belongs in a separate pin.
Safe & synergistic
Keep separate
Pharmacokinetics
Storage. Store refrigerated at 2-8C. Protect from light (riboflavin is photosensitive). Do not use if solution is discolored or contains particulates.
Regulatory status
FDA-approved for treatment of B vitamin deficiencies requiring parenteral supplementation. Individual B vitamins (B12, thiamine) have specific FDA-approved injectable formulations.
Put it to work
Calculate, log & track
Open Injectable B-Complex straight into OnePin with your vial and dose pre-filled, then let it handle the syringe math and remind you before the vial runs out.
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The guide & community
The complete Injectable B-Complex walkthrough, real protocol discussion and coaching live inside the BlessUp community on Skool.
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