PlainVitamins

Stron Bone

by Onnit · capsule · 90 capsules

  • On the market (NIH)
  • UPC 8 19444 01533 0
  • DSLD label 256700
  • Serving 3 capsules
  • 30 servings

Stron Bone by Onnit lists 8 ingredients, 8 with an amount per serving of 3 capsules, such as 67 mg of vitamin E, 90 mcg of vitamin K2, 2 mg of copper and 2 mg of manganese. Its current label entered the NIH Dietary Supplement Label Database on November 19, 2021.

What is in Stron Bone?

Each row as the label prints it, per serving of 3 capsules. 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).

Stron Bone: Supplement Facts rows against the market (DSLD label 256700, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Eas D-Alpha-Tocopherol100 IU67 mg450%
Vitamin K2as Menatetrenone90 mcg80%Vitamin K in Stron Bone against 4,607 products90 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg90 mcg

Higher than 64% of 4,607 products listing vitamin K (median 80 mcg).

Copperas Copper Bisglycinate ChelateTRAACS2 mg220%Copper in Stron Bone against 6,468 products2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg2 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

Manganeseas Manganese Bisglycinate ChelateTRAACS2 mg90%Manganese in Stron Bone against 7,016 products2 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg2 mg

38% of 7,016 products listing manganese give more (median 2 mg).

Potassiumas Potassium Citrate80 mg2%Potassium in Stron Bone against 11,614 products80 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg80 mg

59% of 11,614 products listing potassium give more (median 99 mg).

Strontiumas Strontium Citrate680 mgStrontium in Stron Bone against 111 products680 mg per serving; the middle half of products list 2.45 mg to 300 mg, the median 9.6 mg.680 mg

Higher than 84% of 111 products listing strontium (median 9.6 mg).

Black Pepper (fruit) extract5 mgBlack Pepper in Stron Bone against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

Boronas Boron Citrate150 mcgBoron in Stron Bone against 3,339 products0.15 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.15 mg

81% of 3,339 products listing boron give more (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 256700 (entered November 19, 2021), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 81% of the 3,339 products that print an amount of boron list more than its 0.15 mg of boron (median 1 mg).

The NIH database records one serving 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?

1 product lists the very same ingredients; the nearest amounts come first.

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
Suggested Use: Adults, as a dietary supplement, take three capsules early in the day, preferably with a light meal. Do not take Stron Bone within four hours of taking a calcium supplement as strontium and calcium will compete for uptake. Do not exceed three capsules in any 24-hour period.
Warnings
Consult a medical doctor before taking this or any other nutritional supplement if you are pregnant, nursing, have or suspect a medical condition or are taking any medications.
Keep out of reach of children.
Do not take this product if you have advanced kidney problems or are taking Quinolone or Tetracycline antibiotics.
Consult a medical doctor if you are at high risk of blood clotting or are taking blood thinning medication.
Allergens and what it does not contain
Gluten Free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 256700.

What else is on the label?

Other ingredients: Vegetarian Capsule, Nu-Flow, Nu-MAG.

How many labels does Stron Bone have?

2 labels are on file under this name since September 22, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 256700 (current) Entered November 19, 2021 · on the market · 90 capsules · UPC 8 19444 01533 0
  2. Label 64595 Entered September 22, 2016 · on the market · 90 tablets · UPC 8 19444 01016 8

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

Who makes it?

The label names Onnit Labs, Inc. (distributor), Austin, Texas. All Onnit products.

Where next?