Testo 911

by PhytAge Labs · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 276439
  • Serving 2 capsules
  • 30 servings

Testo 911 by PhytAge Labs lists 9 ingredients, 9 with an amount per serving of 2 capsules, such as 20 mg of vitamin B6, 400 mg of magnesium, 30 mg of zinc and 600 mg of fenugreek. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Testo 911?

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).

Testo 911: Supplement Facts rows against the market (DSLD label 276439, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine Hydrochloride20 mg1,176%Vitamin B6 in Testo 911 against 15,277 products20 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg20 mg

Higher than 71% of 15,277 products listing vitamin B6 (median 6 mg).

Magnesiumas Magnesium Oxide400 mg95%Magnesium in Testo 911 against 14,003 products400 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg400 mg

Higher than 92% of 14,003 products listing magnesium (median 86 mg). 1.1 times the adult UL a day.

Zincas Zinc Oxide30 mg273%Zinc in Testo 911 against 13,186 products30 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg30 mg

Higher than 90% of 13,186 products listing zinc (median 11 mg).

Fenugreek600 mgFenugreek in Testo 911 against 628 products600 mg per serving; the middle half of products list 100 mg to 600 mg, the median 300 mg.600 mg

Higher than 72% of 628 products listing fenugreek (median 300 mg).

Rhodiola rosea114 mgRhodiola in Testo 911 against 945 products114 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.114 mg

Higher than 52% of 945 products listing rhodiola (median 100 mg).

3,3 Diindolylmethane75 mgDiindolylmethane in Testo 911 against 425 products75 mg per serving; the middle half of products list 100 mg to 200 mg, the median 100 mg.75 mg

76% of 425 products listing diindolylmethane give more (median 100 mg).

Eurycoma longifolia25 mgEurycoma Longifolia in Testo 911 against 496 products25 mg per serving; the middle half of products list 75 mg to 212.47 mg, the median 100 mg.25 mg

91% of 496 products listing eurycoma longifolia give more (median 100 mg).

Piperine15 mgPiperine in Testo 911 against 203 products15 mg per serving; the middle half of products list 4.75 mg to 10 mg, the median 5 mg.15 mg

Higher than 86% of 203 products listing piperine (median 5 mg).

Piper nigrum extract14.25 mgBlack Pepper in Testo 911 against 2,363 products14.25 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.14.25 mg

Higher than 91% of 2,363 products listing black pepper (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 276439 (entered November 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:

  • At 1 serving a day, the most its directions give, the label lists 400 mg of magnesium, 1.1 times the adult Tolerable Upper Intake Level.
  • 91% of the 496 products that print an amount of eurycoma longifolia list more than its 25 mg of eurycoma longifolia (median 100 mg).
  • Its 14.25 mg of piper nigrum extract (filed by NIH under black pepper) is higher than 91% of the 2,363 black pepper products that print an amount; 214 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 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 Testo 911'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, adults take two capsules daily.
Warnings
Caution: If you are currently taking any medication, consult with a physician prior to use.
Do not exceed suggested use.
Keep out of reach of children.
Do not use if safety seal is damaged or missing.
Storage
Storage: Store this product in a cool dry place below 30 degrees C (86 degrees F).

Source: label statements in DSLD label 276439.

What else is on the label?

Other ingredients: Gelatin, Microcrystalline Cellulose, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in the USA.

How many labels does Testo 911 have?

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

  1. Label 276439 (current) Entered November 22, 2022 · on the market · 60 capsules

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

Who makes it?

The label names PhytAge Laboratories (distributor), Englewood, CO. All PhytAge Labs products.

Where next?