21st Century Stress B with Iron Tablets, 66 Count (Pack of 2)

Brand: 21st Century
Category: B-Complex
Recorded price: $14.58; 7 Sep 2026

Supplement facts

Serving size: 1 Tablet(s)

Ingredient	Amount per serving	% daily value
Vitamin C	500 mg	556%
Vitamin E	14 mg	90%
Thiamine	10 mg	833%
Riboflavin	10 mg	769%
Niacin	100 mg	625%
Vitamin B6	5 mg	294%
Folate	667 mcg DFE	167%
Folic Acid Part of Folate	400 mcg	—
Vitamin B12	12 mcg	500%
Biotin	45 mcg	150%
Pantothenic Acid	20 mg	400%
Calcium	75 mg	6%
Iron	18 mg	100%

Other ingredients

Starch
Hydroxypropyl Methylcellulose
Contains Less Than 2% of

Directions on the label

Directions: As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage.

Label data from the Dietary Supplement Label Database.

Label data as of 10 Sep 2026

Product score

81.7 / 100Very good

Category average: 75.7 / 100
Average for similar products: 74.8 / 100

This is a broadly dosed one-tablet B-complex with iron, but its iron content is not equally useful for every adult.

Scoring criteria

Quantity
100 / 100
One tablet supplies substantial amounts of the listed B vitamins and 18 mg of iron, which is a reasonable supplemental dose for this formula role.
Form
65 / 100
The label identifies nutrient names but not the chemical forms of most B vitamins, so comparative absorption and tolerability properties remain unresolved.
Convenience
100 / 100
The label directs adults to take one tablet daily, and the two 66-tablet packages provide 132 tablets total.
Label accuracy
100 / 100
The quantified nutrient lines and one-tablet directions are internally consistent without an established contradiction.
Formula balance
60 / 100
The B-vitamin coverage is broad, but 18 mg of iron is a target-population mismatch for adults who do not need supplemental iron.
Purity
75 / 100
The available label identifies ordinary excipients but provides no product-specific evidence supporting higher or lower purity.
Cofactors
50 / 100
The declared vitamin C amount can support iron absorption, but meaningful added benefit beyond the principal formula is uncertain.