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B-1 100 mg

21st Century
4.7
★ ★ ★ ★ ★
(807 ratings)
Thiamin 100 mg
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Score94

An affordable and simple Vitamin B1 supplement for basic energy and metabolic support.

How scoring works
Quantity:110 Tablet(s) • (110 servings)
Goals:

Score 94

An affordable and simple Vitamin B1 supplement for basic energy and metabolic support.

How scoring works
$5.49($0.04 per serving)
Amazon
$ 8.70
iHerb
$ 4.67
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Analysis

This supplement provides a standard 100 mg dose of thiamine hydrochloride, which is more than enough for most people's daily needs. It also includes calcium carbonate, which acts as a base for the tablet.

It is incredibly affordable, making it a great choice for those on a tight budget who still want to support their energy levels and carbohydrate metabolism. The small tablet is easy to take once a day.

Pros

  • Extremely low price
  • 110-day supply in one bottle
  • Standard maintenance dose
  • Small, easy-to-swallow tablets

Cons

  • Uses standard water-soluble form
  • Contains calcium which might not be needed by everyone
  • Lacks the high absorption of benfotiamine

Warnings

  • Keep in a dry place to prevent tablets from crumbling
  • Take with water to aid digestion
  • B-vitamins may turn urine bright yellow, which is normal

Nutrient quality

84 Highest impact

Utilization of standard thiamine hydrochloride provides a reliable foundation for vitamin B1 status. The inclusion of calcium carbonate adds minor structural support while serving as a common binder in the tablet format.

Ingredient transparency

100 Highest impact

Labeling clearly discloses both thiamine and calcium amounts to ensure consumer awareness. Guidance on usage and serving size is transparent and easy to follow.

Customer satisfaction

94 Highest impact

Strong ratings from users indicate the supplement is well-tolerated and meets expectations for basic thiamine support. Feedback reflects high satisfaction with the low price and consistent quality.

Value for money

98 Highest impact

Outstanding value per serving makes this an extremely affordable choice for foundational vitamin B1 supplementation. The low cost and high tablet count provide significant long-term value.

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Ingredients

IngredientAmount per serving
Thiamine (Thiamine Hydrochloride, Vitamin B1)
100 mg
Calcium (Calcium Carbonate)
180 mg
Gluten Free Adults 18–50
Report overview
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This single-vitamin thiamin tablet provides a high-potency dose at one of the lowest prices available. It is a perfect choice for those who need basic B1 support in a cost-effective manner.
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