PlainVitamins

Muscle-Calm

by MBi Nutraceuticals · capsule · 180 capsules

  • On the market (NIH)
  • UPC 3 58301 23123 5
  • DSLD label 293233
  • Serving 2 capsules
  • 180 servings

Muscle-Calm by MBi Nutraceuticals lists 9 ingredients, 9 with an amount per serving of 2 capsules, such as 70 mg of calcium, 50 mg of magnesium, 100 mg of valerian and 75 mg of passiflora. Its current label entered the NIH Dietary Supplement Label Database on June 22, 2023.

What is in Muscle-Calm?

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).

Muscle-Calm: Supplement Facts rows against the market (DSLD label 293233, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium70 mg5%Calcium in Muscle-Calm against 17,831 products70 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg70 mg

65% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 210 mg.

Magnesiumas Magnesium Chelate50 mg13%Magnesium in Muscle-Calm against 14,003 products50 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg50 mg

59% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 150 mg.

Valerian100 mgValerian in Muscle-Calm against 647 products100 mg per serving; the middle half of products list 80 mg to 450 mg, the median 200 mg.100 mg

64% of 647 products listing valerian give more (median 200 mg). Per day at the most servings: 300 mg.

Passiflora75 mgPassionflower in Muscle-Calm against 562 products75 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.75 mg

56% of 562 products listing passionflower give more (median 100 mg). Per day at the most servings: 225 mg.

Scullcap25 mgSkullcap in Muscle-Calm against 146 products25 mg per serving; the middle half of products list 50 mg to 443.75 mg, the median 142.5 mg.25 mg

89% of 146 products listing skullcap give more (median 142.5 mg). Per day at the most servings: 75 mg.

Wild Yam25 mgWild Yam in Muscle-Calm against 214 products25 mg per serving; the middle half of products list 15 mg to 215 mg, the median 50 mg.25 mg

66% of 214 products listing wild yam give more (median 50 mg). Per day at the most servings: 75 mg.

Wood Betony25 mg
Hops25 mgHops in Muscle-Calm against 342 products25 mg per serving; the middle half of products list 50 mg to 150 mg, the median 75 mg.25 mg

85% of 342 products listing hops give more (median 75 mg). Per day at the most servings: 75 mg.

Viburnum11 mg

Source: NIH ODS Dietary Supplement Label Database, label 293233 (entered June 22, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • 89% of the 146 products that print an amount of skullcap list more than its 25 mg of scullcap (filed by NIH under skullcap) (median 142.5 mg).

The NIH database records 3 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 Muscle-Calm'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
Recommendations: Take two capsules three times per day following meals or as directed by your health care professional.
Warnings
Warning: Keep out of reach of children.
If tamper resistant seals are broken do not use this product.
Allergens and what it does not contain
Muscle-Calm is a natural muscle relaxant that works without the chemicals of prescription drugs.

Source: label statements in DSLD label 293233.

What else is on the label?

Other ingredients: Rice Flour extract.

How many labels does Muscle-Calm have?

2 labels are on file under this name since August 23, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 293233 (current) Entered June 22, 2023 · on the market · 180 capsules · UPC 3 58301 23123 5
  2. Label 231749 Entered August 23, 2020 · on the market · 60 capsules · UPC 3 58301 23017 7

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

Who makes it?

The label names MBi Nutraceuticals (manufacturer), Lindon, UT. All MBi Nutraceuticals products.

Where next?