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B-1 100 mg

21st Century
4.8
★ ★ ★ ★ ★
(1519 ratings)
Thiamin 100 mg
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Score82
The active B1 form is clear and the serving cost is very low. Calcium carbonate adds little to focused thiamine use and makes the formula less streamlined.
How scoring works
Quantity:110 Tablet(s) • (110 servings)
Goals:

Score 82

The active B1 form is clear and the serving cost is very low. Calcium carbonate adds little to focused thiamine use and makes the formula less streamlined.
How scoring works
$4.67($0.04 per serving)
iHerb
$ 4.67
Amazon
$ 8.70
iHerb
$ 5.49
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Analysis

100 mg of thiamine hydrochloride provides focused vitamin B1 support. The active B1 form is clear and the serving cost is very low.

Its main trade-off is potency, form disclosure, or formula focus. Calcium carbonate adds little to focused thiamine use and makes the formula less streamlined.

It fits value-focused users who want high-potency standard B1. High-dose thiamine is most likely to matter when intake, absorption, or need is abnormal.

Who is it for
  • value-focused users who want high-potency standard B1
  • Adults with a defined reason for vitamin B1 supplementation
Best for
  • tablet with calcium carbonate
  • Focused thiamine supplementation

Pros

  • Uses disclosed thiamine hydrochloride
  • Very low serving cost
  • More than one hundred servings

Cons

  • Calcium carbonate is not needed for the main purpose
  • High dose for routine nutrition
  • Inactive ingredients are not supplied

Warnings

  • The high-potency thiamine amount is far above routine nutritional needs and is best used for a defined reason.
  • Large oral thiamine amounts can cause nausea or stomach discomfort in sensitive users.
  • Persistent numbness, weakness, or confusion needs medical assessment rather than self-treatment with high-dose B1.

Nutrient quality

86 Highest impact

A high-potency thiamine amount supports the main purpose. The standard form and secondary calcium addition reduce focus.

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Ingredient transparency

78 High impact

The active amount and chemical form are clearly disclosed without a hidden blend. Missing excipients and complete use directions leave modest label gaps.

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Customer satisfaction

72 High impact

The aggregate rating is strong and supported by a large feedback count. No complaint-level evidence was supplied to identify recurring issues or confirm product-specific experiences.

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Value for money

90 Highest impact

A very low serving cost provides strong basic thiamine value. The standard form and secondary calcium addition limit formula quality.

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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
Thiamin (Thiamine Hydrochloride, Vitamin B1) · 100 mg OverallScore88
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The clearly labeled hydrochloride provides a targeted high-potency thiamin amount in a simple tablet. Its standard water-soluble form lacks the absorption advantages of premium derivatives. Very low cost per active dose makes it especially efficient for users prioritizing basic thiamin value.

View ingredientView products
Loading alternative details
84 Performance

Vitamin B1 (Thiamin) 100 mg

Solgar
<p>Stronger supplied quality and collection evidence favors focused thiamine at 100 mg over the original's focused thiamine at 100 mg. The formula stays closely aligned with vitamin B1 use, while differences in dose and format remain practical trade-offs.</p>
82 Performance

Vitamin B1 100 mg

Nutricost
<p>Stronger supplied quality and collection evidence favors focused thiamine at 100 mg over the original's focused thiamine at 100 mg. The formula stays closely aligned with vitamin B1 use, while differences in dose and format remain practical trade-offs.</p>
82 Performance

Vitamin B-1 100 mg

Swanson Premium Brand
<p>Stronger supplied quality and collection evidence favors focused thiamine at 100 mg over the original's focused thiamine at 100 mg. The formula stays closely aligned with vitamin B1 use, while differences in dose and format remain practical trade-offs.</p>
84 Budget

Vitamin B1 100 mg

Vitamatic
<p>Lower serving cost makes focused thiamine at 100 mg the more economical option while retaining direct vitamin B1 coverage. Compared with the original's focused thiamine at 100 mg, the main trade-off is the different form, dose, or supporting-ingredient profile shown on the label.</p>
80 Budget

Super Vitamin B-Complex

Spring Valley
<p>Lower serving cost makes a broad B-complex that includes thiamine, beginning with 25 mg the more economical option while retaining direct vitamin B1 coverage. Compared with the original's focused thiamine at 100 mg, the main trade-off is the different form, dose, or supporting-ingredient profile shown on the label.</p>
84 Budget

B-1 100 mg

NOW
<p>Very low serving cost keeps focused thiamine at 100 mg among the closest budget options available in the supplied list. Its cost is not clearly below the original's, so the practical choice depends on whether the different form, dose, or supporting ingredients are preferable.</p>
82 Value

Vitamin B1 500 mg

Vitamatic
<p>A stronger quality-to-cost balance makes focused thiamine at 500 mg a practical value alternative to the original's focused thiamine at 100 mg. The label keeps the vitamin B1 form and amount assessable, while the different dose or companion ingredients may affect individual fit.</p>
82 Value

Vitamin B-1 100 mg Thiamin HCl

Nature's Way
<p>A stronger quality-to-cost balance makes focused thiamine at 100 mg a practical value alternative to the original's focused thiamine at 100 mg. The label keeps the vitamin B1 form and amount assessable, while the different dose or companion ingredients may affect individual fit.</p>
82 Value

Super Potency Vitamin B 1 (Thiamin) 500 mg

Solgar
<p>A stronger quality-to-cost balance makes focused thiamine at 500 mg a practical value alternative to the original's focused thiamine at 100 mg. The label keeps the vitamin B1 form and amount assessable, while the different dose or companion ingredients may affect individual fit.</p>
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