Description
Vitamin B12 — Methylcobalamin 1,000 mcg
Not all B12 is created equal. Methylcobalamin is the active, bioavailable form your body can use immediately — no conversion required. Most cheap B12 supplements use cyanocobalamin, which has to be processed by your liver before it does anything (and some people, especially those with MTHFR genetic variations, do this very inefficiently). Methylcobalamin skips that step entirely and goes straight to work.
Why patients use it
- Persistent fatigue that doesn’t respond to sleep
- Brain fog, memory complaints, or slow processing
- Low mood or anxious tension
- Numbness or tingling in hands and feet
- High homocysteine on labs
- MTHFR genetic variants (heterozygous or homozygous)
- Plant-based or low-meat diet
- Long-term metformin, PPI, or H2-blocker use (these deplete B12)
- Recovery from GI surgery, IBD, or chronic gut issues
- Patients over 50 (B12 absorption naturally declines with age)
What it supports
- Energy production — B12 is a cofactor in the mitochondrial pathway that turns food into ATP
- Methylation — paired with methylfolate, methylcobalamin drives over 200 essential biochemical reactions, including detox, neurotransmitter synthesis, and DNA repair
- Nerve function — methylcobalamin is the form required for myelin sheath repair; clinically proven to support peripheral neuropathy
- Red blood cell production — prevents megaloblastic anemia
- Cognitive performance — crosses the blood-brain barrier easily for mood, memory, and focus support
- Cardiovascular health — lowers homocysteine, a known cardiovascular risk marker
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