PlainVitamins

Bio Span

by Biotivia · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 94922 17255 6
  • DSLD label 58303
  • Serving 1 vegetarian capsule
  • 60 servings

Bio Span by Biotivia lists 5 ingredients, 5 with an amount per serving of 1 vegetarian capsule, such as 150 mg of curcumin, 100 mg of silymarin, 100 mg of trans-resveratrol and 75 mg of astragalus. Its current label entered the NIH Dietary Supplement Label Database on April 22, 2016.

What is in Bio Span?

Each row as the label prints it, per serving of 1 vegetarian capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Bio Span: Supplement Facts rows against the market (DSLD label 58303, January 2026 release)
IngredientAmount% DVAmong products listing it
CurcuminCurcumin Note: 95% standardized extract150 mgCurcumin in Bio Span against 550 products150 mg per serving; the middle half of products list 50 mg to 400 mg, the median 200 mg.150 mg

52% of 550 products listing curcumin give more (median 200 mg). Per day at the most servings: 300 mg.

Silymarin100 mgSilymarin in Bio Span against 208 products100 mg per serving; the middle half of products list 63.75 mg to 203 mg, the median 116 mg.100 mg

51% of 208 products listing silymarin give more (median 116 mg). Per day at the most servings: 200 mg.

Trans-Resveratrolas Polygonum cuspidatum root extractTrans-Resveratrol (Form: Polygonum cuspidatum root extract PlantPart: root) Note: 75%100 mgResveratrol in Bio Span against 1,123 products100 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.100 mg

Higher than 59% of 1,123 products listing resveratrol (median 50 mg). Per day at the most servings: 200 mg.

Astragalusas PolysaccharidesAstragalus (Form: 20% Polysaccharides) Genus: Astragalus75 mgAstragalus in Bio Span against 604 products150 mg per serving; the middle half of products list 50 mg to 405 mg, the median 132.5 mg.150 mg

Higher than 50% of 604 products listing astragalus (median 132.5 mg). Per day at the most servings: 300 mg.

Astragalusas Astragaloside IV75 mg

Source: NIH ODS Dietary Supplement Label Database, label 58303 (entered April 22, 2016), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records 1 to 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Bio Span's, rare ingredients counting for more.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Usage Instructions: Take two capsules daily, 1 capsule in the morning and 1 capsule in the evening with water 30 minutes before meals.
Warnings
WARNING: Keep out of reach of children.
Do not use if outer seal is broken or missing. Always consult your doctor before taking any dietary supplements.
Allergens and what it does not contain
Contains NO animal ingredients, fillers, silica or artificial colors and NO Magnesium Stearate
-non-GMO, gluten free and preservative-free.
Storage
Storage Instructions: Store in cool dark place or refrigerate. Close tightly.

Source: label statements in DSLD label 58303.

What else is on the label?

Other ingredients: None.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): AVA American Vegetarian Association; Vcaps.

How many labels does Bio Span have?

One label is on file, entered on April 22, 2016.

  1. Label 58303 (current) Entered April 22, 2016 · on the market · 60 capsules · UPC 0 94922 17255 6

DSLD also links this label to: Bio Span+ Bio-Enhanced 500 mg (image difference, same product), Bio Span+ Bio-Enhanced 500 mg (image difference, same product), Bio Span+ Bio-Enhanced 500 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Vitaspan, LLC (distributor), Arlington, VA. All Biotivia products.

Where next?