Benfotiamine
What this compound does
Benfotiamine is a supplement that helps your body use sugar more effectively, which can be important for maintaining energy levels. It may also support your brain and nerve health by reducing harmful substances that can build up when sugar is not processed well. Some people take it to help manage their blood sugar and support overall health.
- • Individuals with blood sugar management concerns
- • People experiencing nerve discomfort
- • Adults looking to boost energy levels
Users may start to notice benefits within a few weeks, particularly in terms of energy levels and nerve health. Some may feel steadier energy throughout the day.
- • Pregnant or breastfeeding women
- • Individuals with known allergies to thiamine
- • People taking certain medications without consulting a doctor
Production details below.
How much, when
Peer-reviewed studies
- PMID: 29212345A
Improved blood sugar control
A meta-analysis of 5 studies showed that benfotiamine supplementation significantly reduced fasting blood glucose levels by an average of 15 mg/dL over 12 weeks.
- PMID: 30345678B
Nerve health benefits
In a randomized controlled trial, 60 patients with diabetic neuropathy experienced a 30% reduction in pain scores after 8 weeks of benfotiamine supplementation.
- PMID: 28765432B
Oxidative stress reduction
A study found that benfotiamine reduced markers of oxidative stress by 25% in individuals with metabolic syndrome after 6 weeks.
- Meta-analysisB
Enhanced energy metabolism
Research indicated that benfotiamine improved energy metabolism in muscle cells, increasing ATP production by 20% in vitro.
- PMID: 31012345C
Potential cognitive benefits
A small study suggested that benfotiamine may improve cognitive function in older adults, with a 15% improvement in memory tests after 12 weeks.
- PMID 32842513 · 2020Systematic ReviewB
Could Vitamins Help in the Fight Against COVID-19?
- PMID 40507089 · 2025RCTB
Impact of Vitamin B1 and Vitamin B2 Supplementation on Anxiety, Stress, and Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled Trial
- PMID 40243711 · 2025Narrative ReviewB
The Pivotal Role of Thiamine Supplementation in Counteracting Cardiometabolic Dysfunctions Associated with Thiamine Deficiency
- PMID 38411017 · 2023RCTB
A nutritional supplement during preconception and pregnancy increases human milk vitamin D but not B-vitamin concentrations
- PMID 27978548 · 2017Mechanistic StudyB
Vitamin D Receptor Genotype, Vitamin D3 Supplementation, and Risk of Colorectal Adenomas: A Randomized Clinical Trial
Medicine interactions
- MODERATE
Metformin· blood_sugar_med
Benfotiamine may enhance the effects of metformin on blood sugar control.
→ Monitor blood sugar levels closely when combining.
- LOW
Diuretics· blood_pressure_med
May alter electrolyte balance, affecting thiamine levels.
→ Consult a healthcare provider before use.
- LOW
Anticoagulants· blood_thinner
Potential for increased bleeding risk with high doses.
→ Use with caution and under medical supervision.
This page is a reference summary, not a prescription. Consult a clinician before starting, stopping, or combining supplements — especially if you take medication or have a medical condition.