Vitamin B12 (Cobalamin)
One of the few supplements that actually delivers. Proven to support corrects b12 deficiency with real clinical backing.
Verdict
9/10 Strong
Evidence
Grade A / 250+ Studies
The No-BS Summary
8 things. 60 seconds. Everything you need.
WHAT IT DOES
Boosts energy and brain function, especially for vegetarians and the elderly.
DOES IT WORK?
9/10 Strong. This one actually works. Vitamin B12 is essential for nerve function, DNA synthesis, and red blood cell formation. Deficiency is common, especially in vegetarians/vegans and older adults. Supplementation is highly effective for correcting deficiencies and improving energy levels and cognitive function in deficient individuals.
HOW MUCH TO TAKE
500-1000 mcg daily
COST
Budget-friendly. $20-35/month for quality brands.
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
AFTER A FEW WEEKS
Give it 4-8 weeks for full effects. Patience pays.
SAFETY
Few things to check: individuals with leber's disease should avoid cyanocobalamin., high doses may interact with certain medications (e.g., metformin, proton pump inhibitors).. Worth mentioning to your doc.
HOW IT FEELS
Increased energy levels, improved mental clarity, and a general sense of well-being, especially if deficient. May also improve sleep quality in some individuals.
QUICK ANSWERS
+ 4 more questions
DOSE-RESPONSE CURVE
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