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Benfotiamine side effects

Across 79 first-hand reports, people mentioned a side effect 7 times (about 9 per 100 reports). The most common: fatigue, brain fog, insomnia. User reports show what people notice — they can't tell you whether Benfotiamine is safe for you.

Reported side effects

fatigue1
brain fog1
insomnia1
chest pain1
tingling1
weakness1
depression1

In their own words

“March I added 80mg benfo. Too much too quick. April 9th...took additional 80mg benfo accidentally...Felt off- all day.”
Didn't helpRead the discussion ↗
“today i introduced Mega benfo from life extension and it was like limitless pill, my vision brightened, my apathy roofed and i felt like i could conquer the world”
HelpedRead the discussion ↗
“I've been taking ~83mg of benfotiamine a day for the last 6 months or so and have been getting depression after fapping.”
Didn't helpRead the discussion ↗

Is Benfotiamine safe? What the research covers

AResearch: Strong5 meta-analyses · 25 randomized trials on PubMed
Cochrane Database Syst Rev · 2008
Vitamin B for treating peripheral neuropathy

Conclusion: There are only limited data in randomised trials testing the efficacy of vitamin B for treating peripheral neuropathy and the evidence is insufficient to determine whether vitamin B is beneficial or harmful. One small trial in alcoholic peripheral neuropathy reported slightly greater improvement in vibration perception threshold with oral benfotiamine for eight weeks than placebo. In another small study, a higher dose of oral vitamin B complex for four weeks was more efficacious than a lower dose in reducing symptoms and signs. Vitamin B administered by various routes for two to eight weeks wa

Front Public Health · 2020
Inflammatory Activities in Type 2 Diabetes Patients With Co-morbid Angiopathies and Exploring Beneficial Interventions: A Systematic Review

Conclusion: Regular exercise and consumption of dietary supplements such as ginger, hesperidin which have anti-inflammatory properties, and those containing prebiotic fibers (e.g., raspberries) revealed a consistent significant (p < 0.05) reduction in inflammatory activities. Conclusion: Inflammatory activities are implicated in diabetes-related angiopathies; regular exercise, the intake of healthy dietary supplements, and medications with anti-inflammatory properties could result in improved protective risk outcome for diabetes patients by suppressing inflammatory activities and elevating anti-inflammato

Benfotiamine side effects: what 79 users report — PlainPill