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B-1 100 mg

NOW
4.8
★ ★ ★ ★ ★
(14172 ratings)
Thiamin 100 mg
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Score84
The standard water-soluble form is clearly identified and the simple tablet offers very good serving value. The amount is much higher than ordinary dietary needs, and no lower-dose flexibility is built into the tablet.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:

Score 84

The standard water-soluble form is clearly identified and the simple tablet offers very good serving value. The amount is much higher than ordinary dietary needs, and no lower-dose flexibility is built into the tablet.
How scoring works
$5.76($0.05 per serving)
Pure Formulas
$ 5.76
Vitacost
$ 6.39
Daily Vita
$ 5.80
iHerb
$ 6.11
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Analysis

100 mg of thiamine hydrochloride provides focused vitamin B1 support. The standard water-soluble form is clearly identified and the simple tablet offers very good serving value.

Its main trade-off is potency, form disclosure, or formula focus. The amount is much higher than ordinary dietary needs, and no lower-dose flexibility is built into the tablet.

It fits adults seeking a focused, inexpensive high-potency B1 product. High-dose thiamine is most likely to matter when intake, absorption, or need is abnormal.

Who is it for
  • adults seeking a focused, inexpensive high-potency B1 product
  • Adults with a defined reason for vitamin B1 supplementation
Best for
  • tablet
  • Focused thiamine supplementation

Pros

  • Clearly identifies thiamine hydrochloride
  • Focused single-nutrient formula
  • Large supply at low serving cost

Cons

  • Amount is excessive for routine nutrition
  • Tablet cannot be easily dose-adjusted
  • 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

90 Highest impact

A clearly disclosed high-potency amount supports targeted thiamine use. The standard water-soluble form offers no premium absorption advantage.

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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

73 High impact

The aggregate rating is very strong and supported by a very 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

92 Highest impact

A focused formula and meaningful active amount provide good serving value. The standard form keeps quality below premium benfotiamine alternatives.

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Ingredients

IngredientAmount per serving
Thiamine (Thiamine Hydrochloride, Vitamin B1)
 100 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Thiamin (Thiamine Hydrochloride, Vitamin B1) · 100 mg OverallScore82
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB- Value

The 100 mg amount sits within the high-potency range for metabolic and neurological support. Thiamine hydrochloride is clearly disclosed and provides a standard water-soluble form rather than a more absorbable premium form. A single tablet is convenient and offers favorable cost efficiency.

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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>
82 Budget

B-1 100 mg

21st Century
<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>
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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