Per the label the ingredients are Thiamine Mononitrate (100mg) and Calcium Carbonate (24mg). Nothing on the label indicates it includes Benfotiamine! What follows in FYI - I assume you asked the question due to Benfotiamine being a lab-made version of vitamin B1, also called thiamine. Scientists are studying it to see if it might help conditions like diabetes-related nerve damage, Alzheimer's disease, and alcohol dependence. Benfotiamine is a relative of thiamine, which is better known as vitamin B1. Thiamine is critical for the metabolism of our brain's major energy source—glucose. Benfotiamine, which converts to thiamine in the body, enters cells more easily than thiamine. Like disulfide derivatives, benfotiamine may be useful for the treatment of acute peripheral syndromes of thiamine deficiency because it is better absorbed than thiamine, but in contrast to sulbutiamine, it seems to be devoid of specific effects on brain function.

I heard by taking these it prevents mosquito bites, is this true?

I’m a mosquito magnate. Decades ago my doctor told me to take B1 to help deter them. He said it gives your skin an odor that repels them. I can smell it on my palms after taking B1 for a few days — it smells like aspirin to me. And it has always helped me. A few mosquitos will be more determined, but a couple bites I can handle. 40 bites was just crazy. Anyway. That is my experience.

How ling for refund kn canceled order

I don't know. You will have to ask Amazon about cancels & returns.

Why is this so affordable? Does it have natural ingredients? Is it easily absorbed?

Pharmavite, the manufacturer of Nature Made vitamins, minerals and nutritional supplements, has been in business for 50 years and is committed to producing the highest quality products while always striving to manage the costs of our products. Some nutrients used in Nature Made products are derived from natural sources, while others are produced from routinely used, FDA approved synthetic sources. Note that these synthetic nutrients are structurally the same as those found in foods. The bioavailability of different nutrients can vary for multiple reasons – some are absorbed best in the natural form, while others need newer technology to improve absorption in the gut. Further, we are known for the quality and efficacy of our products. Our Quality Control team performs rigorous testing to all raw materials and the finished product to ensure our products are made to the highest standards, including verification by US Pharmacopeia (USP) – independent verification for potency and purity. Nature Made is the first national brand to be USP verified and will display the USP seal on the label.

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🌟 Unlock Your Energy Potential!

DAILY SIMPLICITY - Just one tablet a day keeps fatigue at bay!
ENERGIZE YOUR DAY - Supports energy metabolism for a vibrant lifestyle.
GLUTEN FREE GOODNESS - Enjoy peace of mind with no artificial additives.
PHARMACIST RECOMMENDED - Trust in the #1 vitamin brand endorsed by experts.
BRAIN BOOSTING BENEFITS - Promotes a healthy brain and nervous system.

Nature Made Vitamin B1 100 mg is a dietary supplement designed to support energy metabolism and promote a healthy brain and nervous system. Each bottle contains 100 tablets, providing a 100-day supply. This gluten-free supplement is USP verified and free from artificial colors, flavors, and preservatives, making it a trusted choice for health-conscious individuals.

Reviews

T**

Clean, Trusted B1 Supplement That Gets the Job Done

Nature Made is a trusted brand, and these B1 tablets are no exception. They’re USP-verified for quality without harmful extras. The tablets are small and easy to swallow, with no unpleasant aftertaste. I’ve felt more steady and focused throughout the day. Overall, a reliable, quality supplement that offers real value.

22.08.2025

C**R

If you’re looking for simple, reliable B1 support, this is a great choice.

I’ve been taking Nature Made Vitamin B1 daily, and it’s become a solid part of my routine. It helps support energy metabolism, and I’ve noticed I feel a bit more steady and focused throughout the day. The tablets are small and easy to swallow, with no aftertaste. I trust the Nature Made brand—quality is always consistent, and this bottle gives you a full 100-day supply, which is a great value. No added junk, and it’s USP verified, which gives peace of mind.

14.07.2025

A**Y

Great b1 vitamins!

These vitamins are great. Just what my doctor asked me to start taking prior to surgery. I find the value a great price for the product!

16.08.2025

S**R

Good product line

Take every morning,

9.08.2025

C**I

For Eye Health

B1 isn't a vitamin most people take, but I do for my eye health. It dissolves quickly, doesn't upset my stomach, has no taste, good value for the money. Because it is part of my eye health plan I will buy again and again. Purchase with confidence.

8.09.2025

D**T

Affordable and convenient

When my physician suggested that I should take extra B1 I found these to be affordable. It is very convenient by using Amazon’s subscription service. They are tasteless and easy to swallow.

8.08.2025

A**R

It's so good

Works well.

11.08.2025

S**A

B1 Vitamins

I swear by these vitamins to prevent bug bites! My savior during the summer time

3.09.2025

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