Nutrients · 2021
Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-RegressionDoes B Complex help with energy?
Yes, for most people. 95% of 93 people who reported on B Complex for energy say it improved. 4% noticed no change and 1% say it got worse. That is above the typical result for energy (87% across 95 options).
Energy: what users report
95%better93 reports · medium confidence
88 better4 no change1 worse
Ranked #7 of 95 for energy.
What people say about B Complex and energy
“Adding a B complex has totally eliminated my depression lethargy brain fog insomnia and anxiety.”
“I only began the Stress-B Complex and Methyl-B12 within the past several months because my PCP suggested that B12 has shown to 'help with energy levels.' I haven't noticed a positive or negative change when taking them.”
“Whenever I take my Mega B Complex my depression lifts almost instantly. Like everything seems brighter, happier, and my energy increases.”
“I feel much better when taking a balanced b complex once per week.”
What the research says
AResearch: Strong246 meta-analyses · 106 trials on PubMed
Side effects people mention
anxiety 9insomnia 3headache 2neuropathy 2jitteriness 2
What else is B Complex used for?
Information only — not medical advice. How we count