PlainVitamins

Muscle Support

by Instaflex · capsule · 90 capsules

  • On the market (NIH)
  • UPC 8 55710 00203 1
  • DSLD label 2434
  • Serving 3 capsules
  • 30 servings

Muscle Support by Instaflex lists 6 ingredients, 6 with an amount per serving of 3 capsules, such as 400 IU (10 mcg) of vitamin D3, 30 IU of vitamin E, 300 mg of calcium and 150 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2011.

What is in Muscle Support?

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).

Muscle Support: Supplement Facts rows against the market (DSLD label 2434, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol400 IU (10 mcg)100%Vitamin D in Muscle Support against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas D-Alpha-Tocopheryl SuccinateVitamin E (Form: as D-Alpha Tocopheryl Succinate)30 IU100%Vitamin E in Muscle Support against 6,459 products30 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.30 IU

44% of 6,459 products listing vitamin E give more (median 30 IU).

Calciumas Calcium Carbonate, Calcium CitrateCalcium (Form: as Calcium Citrate, Calcium Carbonate)300 mg30%Calcium in Muscle Support 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).

Magnesiumas Magnesium Citrate, Magnesium Glycinate, Magnesium OxideMagnesium (Form: as Magnesium Citrate, Magnesium Oxide, magnesium glycinate)150 mg38%Magnesium in Muscle Support against 14,003 products150 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg150 mg

Higher than 70% of 14,003 products listing magnesium (median 86 mg).

Potassiumas Potassium CitratePotassium (Form: as Potassium Citrate)99 mg3%Potassium in Muscle Support against 11,614 products99 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg99 mg

49% of 11,614 products listing potassium give more (median 99 mg).

L-Glutamine Monohydrate500 mgGlutamine in Muscle Support against 1,850 products0.5 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.5 g

63% of 1,850 products listing glutamine give more (median 1 g).

Source: NIH ODS Dietary Supplement Label Database, label 2434 (entered November 25, 2011), 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 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?

The products whose ingredient lists overlap most with Muscle Support'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: As a dietary supplement, take 3 capsules daily with water. For best results, light exercise and sensible diet are recommended.
Warnings
Keep out of reach of children.
PRECAUTIONS: Use only as directed. Consult a health care practitioner before use if you are pregnant or nursing, alergic to asprin, have a serious medical condition or use prescription medications. For adult use only.
Storage
Keep product at room temperature and humidity (59-86F, 40% RH).

Source: label statements in DSLD label 2434.

What else is on the label?

Other ingredients: Gelatin, Rice Flour.

How many labels does Muscle Support have?

One label is on file, entered on November 25, 2011.

  1. Label 2434 (current) Entered November 25, 2011 · on the market · 90 capsules · UPC 8 55710 00203 1

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

Who makes it?

The label names Instaflex (other). All Instaflex products.

Where next?