PlainVitamins

Strontium Synergy

by Vital Nutrients · capsule · 120 capsules

  • Off the market since October 2013 (NIH)
  • UPC 6 93465 31611 5
  • DSLD label 5606
  • Serving 2 capsules
  • 60 servings

Strontium Synergy by Vital Nutrients lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 600 IU (15 mcg) of vitamin D3, 1 mg of vitamin K1 and 300 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on March 23, 2012.

What is in Strontium Synergy?

Each row as the label prints it, per serving of 2 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).

Strontium Synergy: Supplement Facts rows against the market (DSLD label 5606, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol600 IU (15 mcg)150%Vitamin D in Strontium Synergy against 14,175 products15 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg15 mcg

50% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 30 mcg.

Vitamin K11 mg1,250%Vitamin K in Strontium Synergy against 4,607 products1,000 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg1,000 mcg

Higher than 98% of 4,607 products listing vitamin K (median 80 mcg). Per day at the most servings: 2,000 mcg.

Calciumas Calcium Citrate, Calcium MalateCalcium (Form: as Calcium Citrate, Calcium Malate)300 mg30%Calcium in Strontium Synergy against 17,831 products300 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg300 mg

Higher than 77% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 600 mg.

Source: NIH ODS Dietary Supplement Label Database, label 5606 (entered March 23, 2012), 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:

  • Its 1,000 mcg of vitamin K is higher than 98% of the 4,607 vitamin K products that print an amount; 91 list more.

The NIH database records 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?

6 products list 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
Recommendations: 2 capsules twice daily with food, or as directed by your healthcare professional. For maximum Strontium absorption take this product 1-2 hours before or after Strontium ingestion.
Warnings
KEEP OUT OF REACH OF CHILDREN
USE ONLY IF SAFETY SEAL IS INTACT
Caution: People taking blood thinning anticoagulation drugs must check with their physician before using this product.
Warning: If pregnant, consult your physician before taking.
Allergens and what it does not contain
CONTAINS NO COATINGS, BINDERS, YEAST, WHEAT, GLUTEN, MILK/DAIRY, CORN PROTEIN, SOY PROTEIN, EGGS, SUGAR, HYDROGENATED OIL, ARTIFICIAL COLORING, ARTIFICIAL FLAVORING OR PRESERVATIVES.
Storage
store sealed in a cool dry place

Source: label statements in DSLD label 5606.

What else is on the label?

Other ingredients: Vegetable Cellulose Capsule, Leucine.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): VEG CAPS; (check)cGMP.

How many labels does Strontium Synergy have?

One label is on file, entered on March 23, 2012.

  1. Label 5606 (current) Entered March 23, 2012 · off the market October 14, 2013 · 120 capsules · UPC 6 93465 31611 5

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

Who makes it?

The label names Vital Nutrients (manufacturer), Middletown, CT. All Vital Nutrients products.

Where next?