Compare Supplements

Side-by-side comparison of 2 supplements

⚡

B-Complex

9/10high

🔴

Vitamin B12

9/10high

Evidence

Evidence Score9/10

Studies: 40+

Meta-analyses: 20

Evidence Score9/10

Studies: 40+

Meta-analyses: 21

Dosage & Timing

Dosage:

1 capsule daily (per label)

Best Time:

Morning with breakfast

Take with food

Form:

Methylated B-complex (methylcobalamin, methylfolate)

Dosage:

500-1000mcg daily for maintenance; higher for deficiency

Best Time:

Morning (may be energizing), With or without food

Can take on empty stomach

Form:

Methylcobalamin (sublingual)

What You'll Notice

⚡ More Energy70%

2-4 weeks

😊 Better Mood60%

4-8 weeks

💛 Bright Yellow Urine95%

Immediate

⚡ Energy Restoration80%

2-4 weeks

🧠 Cognitive Support65%

4-8 weeks

⚡ Nerve Health70%

Weeks to months

Safety

high safety rating

Contraindications:

Leber's disease (avoid high-dose B12)
Allergy to any B vitamin

Drug Interactions:

Levodopa
Methotrexate
Phenytoin

Side Effects:

NauseaBright yellow urineFlushing (high-dose niacin)

high safety rating

Contraindications:

Leber's hereditary optic neuropathy (may worsen)
Cobalt or cobalamin hypersensitivity

Drug Interactions:

Metformin
PPIs (proton pump inhibitors)

Side Effects:

Mild GI upsetAcne-like skin eruption (high doses)Allergic reaction (rare, usually with injection)

Works Well With

Magnesiumcomplementary

Omega-3stacks-well

5-HTPenhances

Methylfolatecomplementary

L-Methionineenhances

Pantothenic Acidcomplementary

How They Work Together

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Compare Supplements

B-Complex

Vitamin B12

Evidence

Dosage & Timing

What You'll Notice

Safety

Works Well With

Categories

How They Work Together

Compare Supplements

B-Complex

Vitamin B12

Evidence

Dosage & Timing

What You'll Notice

Safety

Works Well With

Categories

How They Work Together