PlainVitamins

Muscle Fiber Unflavored Powder

by FINAFLEX · powder · 15.9 ozs

  • On the market (NIH)
  • UPC 6 89466 62911 8
  • DSLD label 178098
  • Serving 7.5 g (1 scoop)
  • 60 servings

Muscle Fiber Unflavored Powder by FINAFLEX lists 3 ingredients, 3 with an amount per serving of 7.5 g, such as 500 IU (12.5 mcg) of vitamin D3, 3 g of fructooligosaccharide and 5 g of L-glutamine, beside 3 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on August 31, 2018.

What is in Muscle Fiber Unflavored Powder?

Each row as the label prints it, per serving of 7.5 g. 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 Fiber Unflavored Powder: Supplement Facts rows against the market (DSLD label 178098, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates3 g1%Carbohydrate in Muscle Fiber Unflavored Powder against 21,979 products3 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.3 g

47% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 12 g.

Dietary Fiber3 g12%Fiber in Muscle Fiber Unflavored Powder against 6,987 products3 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.3 g

Higher than 63% of 6,987 products listing fiber (median 2 g). Per day at the most servings: 12 g.

Soluble Fiber3 g
Vitamin D3500 IU (12.5 mcg)125%Vitamin D in Muscle Fiber Unflavored Powder against 14,175 products12.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg12.5 mcg

53% of 14,175 products listing vitamin D give more (median 15 mcg). Per day at the most servings: 50 mcg.

Fructooligosaccharide3 gFructo-Oligosaccharides in Muscle Fiber Unflavored Powder against 526 products3,000 mg per serving; the middle half of products list 75 mg to 500 mg, the median 185 mg.3,000 mg

Higher than 95% of 526 products listing fructo-oligosaccharides (median 185 mg). Per day at the most servings: 12,000 mg.

L-Glutamine5 gGlutamine in Muscle Fiber Unflavored Powder against 1,850 products5 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.5 g

Higher than 83% of 1,850 products listing glutamine (median 1 g). Per day at the most servings: 20 g.

Source: NIH ODS Dietary Supplement Label Database, label 178098 (entered August 31, 2018), 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 3,000 mg of fructooligosaccharide (filed by NIH under fructo-oligosaccharides) is higher than 95% of the 526 fructo-oligosaccharides products that print an amount; 21 list more.

The NIH database records 1 to 4 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 Fiber Unflavored Powder'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
Suggested use: As a dietary supplement consume 1 level scoop of Muscle Fiber 1-4 times daily. Add Muscle Fiber to 8-16 ounces of water or any flavored beverage and consume immediately after stirring. Drink Muscle Fiber every day to ensure proper daily dietary fiber and glutamine supplementation.
Contents may settle in transit. Shake container prior to use to redistribute ingredients.
Warnings
Warning: Keep out of reach of children.
Do not use if pregnant or nursing.
Consult your doctor prior to use if you have or are at risk for prostate disease, heart disease, or any other general medical condition.
All persons are advised to consult with their doctor or other medical authority before use of this or any other dietary supplement. Discuss possible interactions and contradictions of this dietary supplement with other medicines currently prescribed by your doctor.
Discontinue use immediately if you experience any adverse symptoms or reactions while taking this product. Discontinue use 2 weeks prior to surgery. Do not use if your health status is unknown.
Storage
Store in a cool dry place (heat and humidity can cause clumping).

Source: label statements in DSLD label 178098.

What else is on the label?

Other ingredients: Silica.

How many labels does Muscle Fiber Unflavored Powder have?

One label is on file, entered on August 31, 2018.

  1. Label 178098 (current) Entered August 31, 2018 · on the market · 15.9 ozs · UPC 6 89466 62911 8

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

Who makes it?

The label names FinaFlex (distributor), Alpharetta, GA. All FINAFLEX products.

Where next?