
Windmill Vitamin B1 Thiamine 100mg Tablets 100ct
Total:$9.89$21.98
Add $15.11 for free shipping
Pack
Qty
- Temperature Controlled Storage
- Free Shipping $25+
Why You'll Love It
Natural Energy
Fuel your body's natural energy production with Windmill B1 (Thiamine) 100 mg—an essential B-complex vitamin your body cannot store or produce on its own.
Metabolism
Supports healthy energy metabolism and helps convert food into usable fuel.
Brain Health
Promotes normal nervous system function and cognitive performance.
Heart Health
Helps maintain cardiovascular health and muscle function.
Rest & Recovery
Ideal for active individuals, those managing stress, or anyone with demanding daily routines.
Easy Daily Use
100 mg potent daily dose per tablet.
Ships Today
Same Business Day
Made in USA
Manufactured Here
30-Day
Money-Back Promise
About This Product
Fuel your body's natural energy production with Windmill B1 (Thiamine) 100 mg—an essential B-complex vitamin your body cannot store or produce on its own.
Supports healthy energy metabolism and helps convert food into usable fuel
Promotes normal nervous system function and cognitive performance
Helps maintain cardiovascular health and muscle function
Ideal for active individuals, those managing stress, or anyone with demanding daily routines
100 mg potent daily dose per tablet
Non-GMO, Gluten-Free, Vegan
Formulated by Windmill Health Products—a trusted American supplement brand for over 50 years, manufactured in an FDA-regulated, cGMP-certified facility made in the USA.
What's Inside
Serving size: 1 Tablet
Vitamin B 1 (as thiamin HCI))
100 mg
8% Daily Value
Calcium (as dicalcium phosphate)
70 mg
5% Daily Value
How does Windmill Vitamin B1 Thiamine 100mg Tablets 100ct work?
Take Daily
Take 1 tablet daily with food as a dietary supplement or as directed by a healthcare professional.
Absorb & Nourish
Premium ingredients absorb efficiently, delivering targeted nutrition where your body needs it most.
Feel the Difference
Most people notice improvements within 2–4 weeks of consistent daily use. Real results, not hype.
How We Compare
See why customers are making the switch to Moore Vitamins.
Authentic Brands
Only
Ships
Same Day
Free Shipping
Available
30 Day
Guaranteed
Cancel Anytime
Subscriptions
Trusted by thousands · 50+ years of quality · Made in the USA
Customer Reviews

We’re new.
The brands we carry aren’t.
Direct from the source
Authorized Reseller
We buy directly from the manufacturer, so every product is 100% authentic and properly sourced.
Sealed & Brand-new
Manufacturer-sealed, never opened. Stored in our climate-controlled facility.
Same-day Shipping
Order before noon and we'll ship it the same business day.
30-day Guarantee
Every order is backed by our 30-day satisfaction guarantee.
Secure Checkout
Stripe-powered with Apple Pay and Google Pay supported.
Tried this product?
Leave the first review and we’ll send you 25% off your next order.
Frequently Asked Questions
Most people notice a difference from Windmill Vitamin B1 Thiamine 100mg Tablets 100ct within 2–4 weeks of consistent daily use, with the timeline depending on which benefit you're tracking. Supplements work gradually because nutrients accumulate to therapeutic levels over time, and biological systems like immune response, sleep regulation, and energy metabolism adapt to the new baseline rather than flipping a switch. For healthy energy metabolism and helps convert food into usable fuel promotes normal nervous system function and cognitive performance helps maintain cardiovascular health and muscle function ideal for active individuals, those managing stress, or anyone with demanding daily routines 100 mg potent daily dose per tablet non-gmo, gluten-free, vegan formulated by windmill health products—a trusted american supplement brand for over 50 years, manufactured in an fda-regulated, cgmp-certified facility made in the usa, the change is usually subtle at first — better sleep quality, more sustained energy through the afternoon, or reduced bloating — before it becomes obvious. Take Windmill Vitamin B1 Thiamine 100mg Tablets 100ct at the same time each day to build a consistent absorption pattern, and track how you feel weekly rather than daily. People who were more depleted to start often notice a difference faster than people who had adequate baseline levels. If you have a diagnosed condition or take prescription medication, ask your healthcare provider about expected timelines for your specific situation before evaluating progress.
Take 1 tablet daily with food as a dietary supplement or as directed by a healthcare professional.
Windmill Vitamin B1 Thiamine 100mg Tablets 100ct is manufactured in cGMP-certified, FDA-regulated facilities in the USA. The FDA's current Good Manufacturing Practice rules for dietary supplements require manufacturers to test every batch for ingredient identity, strength, purity, and composition — confirming the bottle contains exactly what the label claims, in the stated dose, with no contaminants above safety thresholds. Windmill Vitamin B1 Thiamine 100mg Tablets 100ct is Non-GMO, Gluten-Free, Vegan. Moore Vitamins sources directly from authorized Windmill distributors through Sterling Distributors, our wholesale partner, rather than reselling marketplace inventory where counterfeit and grey-market product frequently appears. Authenticity is a sourcing-chain problem, not a labeling one: only product that travelled from the manufacturer through an authorized distribution chain can be trusted to match the front-of-label claim. Orders ship same-day from our Florida fulfillment center on weekdays placed by 4 PM ET.
Windmill Vitamin B1 Thiamine 100mg Tablets 100ct is generally safe to combine with other supplements. Most vitamin and mineral supplements can be taken together safely. If you take prescription medication, are pregnant, or have a medical condition, consult your healthcare provider before adding any new supplement to your routine.
We offer a 30-day satisfaction guarantee. Return any unopened Windmill Vitamin B1 Thiamine 100mg Tablets 100ct within 30 days of delivery for a full refund — no questions asked. For defective or damaged products, we cover return shipping. Email contact@moorevitamins.com with your order number to start a return.
Yes. Subscribe & Save gets you 10% off every recurring order of Windmill Vitamin B1 Thiamine 100mg Tablets 100ct, with free shipping on orders over $25. You can pause, skip, or cancel anytime — no commitment required. Subscriptions ship automatically so you never run out.
Complete Your Routine
Ready to Feel the Difference?
Join customers who trust Moore Vitamins for premium supplements at honest prices. Subscribe and save 10% on every order.

Windmill Vitamin B1 Thiamine 100mg Tablets 100ct






