PlainVitamins

Test Booster RX

by Fit Father Project · capsule · 120 vegetable capsules

  • On the market (NIH)
  • DSLD label 264923
  • Serving 4 capsules
  • 30 servings

Test Booster RX by Fit Father Project lists 9 ingredients, 9 with an amount per serving of 4 capsules, such as 20 mcg (800 IU) of vitamin D, 10.5 mg of vitamin B6, 66 mg of calcium and 200 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2022.

What is in Test Booster RX?

Each row as the label prints it, per serving of 4 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).

Test Booster RX: Supplement Facts rows against the market (DSLD label 264923, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das Cholecalciferol20 mcg (800 IU)100%Vitamin D in Test Booster RX against 14,175 products20 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg20 mcg

Higher than 51% of 14,175 products listing vitamin D (median 15 mcg).

Vitamin B6as Pyridoxine Hydrochloride10.5 mg618%Vitamin B6 in Test Booster RX against 15,277 products10.5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10.5 mg

Higher than 65% of 15,277 products listing vitamin B6 (median 6 mg).

Calciumas Dicalcium Phosphate66 mg5%Calcium in Test Booster RX against 17,831 products66 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg66 mg

66% of 17,831 products listing calcium give more (median 115 mg).

Magnesiumas Magnesium Aspartate200 mg48%Magnesium in Test Booster RX against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Citrate11 mg100%Zinc in Test Booster RX against 13,186 products11 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg11 mg

47% of 13,186 products listing zinc give more (median 11 mg).

Ashwagandha extract750 mgAshwagandha in Test Booster RX against 1,646 products750 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.750 mg

Higher than 91% of 1,646 products listing ashwagandha (median 250 mg).

purified Shilajit250 mgShilajit in Test Booster RX against 196 products250 mg per serving; the middle half of products list 100 mg to 500 mg, the median 250 mg.250 mg

37% of 196 products listing shilajit give more (median 250 mg).

Longjack extract200 mgEurycoma Longifolia in Test Booster RX against 496 products200 mg per serving; the middle half of products list 75 mg to 212.47 mg, the median 100 mg.200 mg

Higher than 62% of 496 products listing eurycoma longifolia (median 100 mg).

Boron Citrate10 mg

The label names the compound (Boron Citrate); its amount is likely the compound's weight, not the boron it holds, so it is not placed among other products.

Source: NIH ODS Dietary Supplement Label Database, label 264923 (entered January 22, 2022), 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:

  • Its 750 mg of ashwagandha is higher than 91% of the 1,646 ashwagandha products that print an amount; 144 list more.

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 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 Test Booster RX'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.

How many labels does Test Booster RX have?

One label is on file, entered on January 22, 2022.

  1. Label 264923 (current) Entered January 22, 2022 · on the market · 120 vegetable capsules

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

Who makes it?

The label names Fit Father Project (manufacturer). All Fit Father Project products.

Where next?