PlainVitamins

Myoswell

by XPI Xtreme Pharmaceutical Innovations · capsule · 180 capsules

  • Off the market since October 2023 (NIH)
  • UPC 7 36211 96353 6
  • DSLD label 36901
  • Serving 6 capsules
  • 30 servings

Myoswell by XPI Xtreme Pharmaceutical Innovations lists 6 ingredients, 6 with an amount per serving of 6 capsules, such as 100 mcg of chromium, 1,500 mg of creatine HCl, 1,500 mg of arginine ethyl ester and 1,500 mg of arginine AKG. Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.

What is in Myoswell?

Each row as the label prints it, per serving of 6 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).

Myoswell: Supplement Facts rows against the market (DSLD label 36901, January 2026 release)
IngredientAmount% DVAmong products listing it
Chromiumas Chromium PicolinateChromium (Form: as Chromium Picolinate)100 mcg83%Chromium in Myoswell against 7,825 products100 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg100 mcg

47% of 7,825 products listing chromium give more (median 100 mcg). Per day at the most servings: 200 mcg.

Creatine HCl1,500 mgCreatine in Myoswell against 1,768 products1.5 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.1.5 g

62% of 1,768 products listing creatine give more (median 2.5 g). Per day at the most servings: 3 g.

Arginine Ethyl Ester1,500 mgArginine in Myoswell against 1,455 products1,500 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.1,500 mg

Higher than 81% of 1,455 products listing arginine (median 500 mg). Per day at the most servings: 3,000 mg.

Arginine AKGArginine AKG Note: 2:11,500 mgArginine Alpha Ketoglutarate in Myoswell against 322 products1.5 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.1.5 g

Higher than 64% of 322 products listing arginine alpha ketoglutarate (median 1 g). Per day at the most servings: 3 g.

Banabaas Corosolic AcidBanaba (Form: 1% Corosolic Acid) PlantPart: leaf100 mgBanaba in Myoswell against 241 products100 mg per serving; the middle half of products list 16 mg to 80 mg, the median 25 mg.100 mg

Higher than 77% of 241 products listing banaba (median 25 mg). Per day at the most servings: 200 mg.

R-Alpha Lipoic Acid100 mgAlpha Lipoic Acid in Myoswell against 2,407 products100 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.100 mg

Higher than 56% of 2,407 products listing alpha lipoic acid (median 50 mg). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 36901 (entered August 26, 2014), 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 Myoswell'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
WARNING: Do not exceed recommended dose.
RECOMMENDED USE: On training days: Take 6 capsules 30 minutes before and 6 capsules immediately after training with at least 16 ounces of water.
On non-training days: Take 6 capsules in the morning with at least 16 ounces of water.
Stack with SYNTHEROID(TM), MYOTEIN(TM) and XTREME ZMA(TM) to maximize results.
Discontinue two weeks prior to surgery.
Warnings
Not recommended for persons under 18.
Consult your physician before use of this product if you are pregnant, nursing, taking medication or have any medical condition(s).
Do not use if packaging has been tampered with.
KEEP OUT OF REACH OF CHILDREN.
WARNING: USE WITH CAUTION
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 36901.

What else is on the label?

Other ingredients: Gelatin, Magnesium Stearate, Sodium Stearyl Fumarate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): #1 TRAINER RECOMMENDED; XPI(TM) XTREME PHARMACEUTICAL INNOVATIONS; XPI(TM).

How many labels does Myoswell have?

One label is on file, entered on August 26, 2014.

  1. Label 36901 (current) Entered August 26, 2014 · off the market October 2, 2023 · 180 capsules · UPC 7 36211 96353 6

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

Who makes it?

The label names XPI(TM) (distributor), Orem, UT, U.S.A.. All XPI Xtreme Pharmaceutical Innovations products.

Where next?