Mass 550

by FINAFLEX · capsule · 60 capsules

  • On the market (NIH)
  • UPC 6 89466 67022 6
  • DSLD label 178078
  • Serving 2 capsules
  • 30 servings

Mass 550 by FINAFLEX lists 6 ingredients, 1 with an amount per serving of 2 capsules, such as 1,600 IU (40 mcg) of vitamin D3; 5 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2018.

What is in Mass 550?

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).

Mass 550: Supplement Facts rows against the market (DSLD label 178078, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D31,600 IU (40 mcg)400%Vitamin D in Mass 550 against 14,175 products40 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg40 mcg

Higher than 79% of 14,175 products listing vitamin D (median 15 mcg). Per day at the most servings: 80 mcg.

Lean Mass Matrix120 mg
Letrosteroneas Brassaiopsos glomerulata extractin the blend, no amount given
Olive pomace Oilas Maslinic AcidOlive pomace Oil (Form: standardized for 70% Maslinic Acid) PlantPart: pomacein the blend, no amount given
Naringinin the blend, no amount given
Testosterone Matrix550 mg
D-Aspartic Acidin the blend, no amount given
Fenugreekas SaponinsFenugreek (Form: 50% Saponins) PlantPart: seedin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 178078 (entered June 25, 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient; 5 ingredients sit inside a blend, so their amounts cannot be compared.

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.

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 take 2 capsules 1-2 times daily with food. Take Mass 500 every day, including non-training days. Increase protein intake during cycle of Mass 550 to maximize lean muscle and strength gains. For extreme results use 2-3 bottles of Mass 550 consecutively over a 40-90 day period. Do not use Mass 550 for more than 90 days consecutively.
Warnings
Do not use Mass 550 for more than 90 days consecutively.
Warning: Keep out of reach of children.
Do no 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.
Consult your doctor prior to use if you are taking any other prescription medications. All persons are advised to consult with their doctor or other medical authority before use of this or any other other dietary supplement. Warning: Discuss possible interactions and contradictions of this dietary supplement with other medicines currently prescribed by your doctor.
Discontinue use 2 weeks prior to surgery. Do not combine this product with alcohol. Do not use if your health status is unknown. Caution: Athletes or other persons who are subject to testing for performance enhancing drugs may test positive when using dietary supplements. All persons are advised to contact their drug testing organization prior to use of this or any other dietary supplement.
May not be suitable for persons under the age of 18 years old.

Source: label statements in DSLD label 178078.

What else is on the label?

Other ingredients: Maltodextrin, Gelatin, Silica, Magnesium Stearate, Titanium Dioxide, FD&C Blue #1.

How many labels does Mass 550 have?

One label is on file, entered on June 25, 2018.

  1. Label 178078 (current) Entered June 25, 2018 · on the market · 60 capsules · UPC 6 89466 67022 6

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?