What it is
Benfotiamine is a lipid-soluble form of Vitamin B1 (thiamine) that is more bioavailable than standard thiamine. It is used to support metabolic health and nerve function, particularly in contexts of elevated blood sugar.
Supplement · Vitamin
Benfotiamine (Fat-Soluble B1)
300 mg · vegan · gluten-free · 90 caps
insulin resistanceneuropathyweight-gain pancreasliverbrain
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How it works
Benfotiamine inhibits the formation of advanced glycation end-products (AGEs) by activating the transketolase enzyme pathway in the pentose phosphate pathway. This process helps protect cells from damage caused by high glucose levels.
Who should take it
Adults looking to address insulin resistance, weight gain, low energy. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
Avoid / careful
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
How is benfotiamine different from regular Vitamin B1?
Benfotiamine is a synthetic derivative of thiamine that is fat-soluble, allowing for better absorption and higher tissue concentrations compared to water-soluble thiamine.
Can benfotiamine help with diabetic neuropathy?
Research suggests benfotiamine may help alleviate symptoms of diabetic neuropathy by reducing oxidative stress and AGEs formation, which contribute to nerve damage.
What is the typical dose for benfotiamine?
A common and effective dose for adults is 300 mg per day, often taken with meals to enhance absorption.
Research
6 studies · 2010–2024
Evidence grade
ABCD
B · B · emerging-to-moderate human evidence for metabolic and blood-sugar health
From the blog
Editorial notes
SacredBod's longer take on Benfotiamine (Fat-Soluble B1) — context the structured blocks above don't capture.
About Benfotiamine (Fat-Soluble B1)
Benfotiamine (Fat-Soluble B1) is a vitamin supplement used to support metabolic and blood-sugar health. Lipid-soluble thiamine for nerves and glycation. It is available in capsule form and dosed for adults in India and internationally. As a western-tradition entry in the SacredBod catalog, it is positioned as a single-ingredient option that can be used on its own or layered into a broader protocol. Benfotiamine (Fat-Soluble B1) works through the mechanisms characteristic of its class — see the mechanism and research sections for detail. It primarily acts on the pancreas, liver, muscle, and effects are dose-dependent, typically becoming measurable within 8-12 weeks for metabolic markers. Consistency matters more than dose size for this category.
Evidence
Benfotiamine (Fat-Soluble B1) carries an evidence grade of B in the SacredBod catalog, reflecting good-but-limited human evidence for metabolic and blood-sugar health. Lipid-soluble thiamine for nerves and glycation. Benefits are cumulative rather than immediate, typically becoming noticeable within 8-12 weeks for metabolic markers, and individual response varies.
Dosing
A typical dose is 300 mg, taken with food, usually in the morning. Start at the lower end, assess tolerance, and stay consistent; more is not automatically better.
Cautions
Pregnant or nursing women without clinician oversight. People on prescription medication affecting the same pathway should consult a doctor before combining. Side effects are uncommon at recommended doses but mild GI upset can occur when starting.
Who it’s for
Adults looking to address insulin resistance, weight gain, low energy. Particularly relevant for people who prefer a targeted single ingredient and who have ruled out an underlying condition that needs medical care first.
As part of the Vitamin category, Benfotiamine (Fat-Soluble B1) can be used on its own or layered into a broader protocol — see the Goes with panel for evidence-aligned pairings.
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