The energy grid's foreman.
Effective Dose
2.4mcg - 1000mcg
Onset
Days
Cost
Budget
Cycle
As needed
7 things you need to know
What it does
The energy grid's foreman.
Worth it?
10/10. Critical for life. Deficiency causes permanent damage.
How much to take
2.4mcg - 1000mcg
Price
Cheap (under $15/month)
How fast it works
Builds up over days to weeks
Safety
Safe for most people at recommended doses
What people say
Wakefulness and mental stamina.
PROBIOTIC
"Wakefulness and mental stamina."
Research backing for this ingredient
Multiple high-quality studies confirm efficacy
400+
Yes
Strong agreement among researchers
Corrects megaloblastic anemia and reverses deficiency symptoms
Standard of Care / Multiple Systematic Reviews
Reduces plasma homocysteine levels
Meta-analysis of 12+ RCTs
Prevents cognitive decline in deficient populations
Cochrane Systematic Review
"Critical for life. Deficiency causes permanent damage."
B12 is non-negotiable for making red blood cells.
Products below minimum dose are likely ineffective
When
Any time
How
2.4mcg - 1000mcg
Food
With or without food
Effects build over days to weeks
As needed
Check for specific interactions.
Vitamin B12 is categorized as a probiotic.
Scientific consensus score: 10/10.
Evidence quality: STRONG.
Add Vitamin B12 to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.