Snapshot
Energy boost
500-2000 mcg daily
With breakfast
1-2 weeks
Folate, Iron, Vitamin D
Sublingual form may enhance absorption
Top 3 Best Vitamin B12 Supplements
NOW Foods
Nature's Bounty
Natrol
Top 10 Vitamin B12 Supplements
NOW Foods
QUANTITY
60 count
POTENCY
5,000 mcg
NOOTROSCORE
PRICE
$9.70
$0.16/count
NOW Foods
QUANTITY
60 count
POTENCY
5,000 mcg
NOOTROSCORE
PRICE
$9.70
$0.16/count
Nature's Bounty
QUANTITY
200 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$9.48
$0.05/count
Nature's Bounty
QUANTITY
200 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$9.48
$0.05/count
Natrol
QUANTITY
100 count
POTENCY
5,000mcg
NOOTROSCORE
PRICE
$8.96
$0.09/count
Natrol
QUANTITY
100 count
POTENCY
5,000mcg
NOOTROSCORE
PRICE
$8.96
$0.09/count
Nature's Bounty
QUANTITY
75 count
POTENCY
2500 mcg
NOOTROSCORE
PRICE
$8.87
$0.12/count
Nature's Bounty
QUANTITY
75 count
POTENCY
2500 mcg
NOOTROSCORE
PRICE
$8.87
$0.12/count
vitafusion
QUANTITY
90 count
POTENCY
N/A
NOOTROSCORE
PRICE
$9.74
$0.11/count
vitafusion
QUANTITY
90 count
POTENCY
N/A
NOOTROSCORE
PRICE
$9.74
$0.11/count
Nature Made
QUANTITY
150 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$9.98
$0.07/count
Nature Made
QUANTITY
150 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$9.98
$0.07/count
Nature's Bounty
QUANTITY
2 fl oz
POTENCY
5000 mcg
NOOTROSCORE
PRICE
$9.99
$5/Fl Oz
Nature's Bounty
QUANTITY
2 fl oz
POTENCY
5000 mcg
NOOTROSCORE
PRICE
$9.99
$5/Fl Oz
Nature Made
QUANTITY
160 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$10.65
$0.07/count
Nature Made
QUANTITY
160 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$10.65
$0.07/count
Nature Made
QUANTITY
60 count
POTENCY
3000 mcg
NOOTROSCORE
PRICE
$11.99
$0.20/count
Nature Made
QUANTITY
60 count
POTENCY
3000 mcg
NOOTROSCORE
PRICE
$11.99
$0.20/count
Dr. Berg
QUANTITY
60 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$19.99
$0.33/count
Dr. Berg
QUANTITY
60 count
POTENCY
1000 mcg
NOOTROSCORE
PRICE
$19.99
$0.33/count
How Vitamin B12 Helps You
Vitamin B12 helps convert food into glucose, fueling energy production and reducing fatigue by supporting efficient metabolism.
B12 maintains healthy nerve cells and supports neurotransmitter production, enhancing cognitive function, focus, and mental clarity.
Essential for red blood cell formation, B12 prevents anemia by ensuring proper oxygen transport throughout the body.
B12 aids in serotonin and dopamine synthesis, helping regulate mood and reduce symptoms of stress and depression.
How to Take Vitamin B12
Morning
Best taken in the morning to support energy levels throughout the day.
Either
Can be taken with or without food, but absorption may improve with meals for some forms.
1-2 weeks
Effects may take 1-2 weeks to notice, especially for energy and cognitive benefits.