PlainVitamins

Formula 594

by DC · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 52301 59460 3
  • DSLD label 266945
  • Serving 2 capsules
  • 30 servings

Formula 594 by DC lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 500 mg of horny goat weed, 250 mg of maca, 100 mg of ginkgo biloba and 33.4 mg of mucuna pruriens. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.

What is in Formula 594?

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).

Formula 594: Supplement Facts rows against the market (DSLD label 266945, January 2026 release)
IngredientAmount% DVAmong products listing it
Horny Goat Weedas IcariinHorny Goat Weed (Form: standardized to 10% Icariin) PlantPart: whole plant Genus: Epimedium Species: sagittatum500 mgHorny Goat Weed in Formula 594 against 93 products500 mg per serving; the middle half of products list 100 mg to 1,000 mg, the median 500 mg.500 mg

41% of 93 products listing horny goat weed give more (median 500 mg).

Macaas GlucosinolatesMaca (Form: standardized to contain 0.5% Glucosinolates) PlantPart: root Genus: Lepedium Species: meyenii250 mgMaca in Formula 594 against 728 products250 mg per serving; the middle half of products list 118.13 mg to 600 mg, the median 250 mg.250 mg

48% of 728 products listing maca give more (median 250 mg).

Ginkgo bilobaas Glycosides, Lactones24% Glycosides & 6% Lactones100 mgGinkgo in Formula 594 against 1,339 products100 mg per serving; the middle half of products list 30 mg to 120 mg, the median 60 mg.100 mg

Higher than 59% of 1,339 products listing ginkgo (median 60 mg).

Mucuna pruriensas L-DopaMucuna pruriens (Form: Standardized 15% L-Dopa (Alt. Name: L-Dihydroxyphenylalanine)) Genus: Mucuna Species: pruriens33.4 mgCowhage in Formula 594 against 417 products33.4 mg per serving; the middle half of products list 60 mg to 400 mg, the median 125 mg.33.4 mg

85% of 417 products listing cowhage give more (median 125 mg).

Source: NIH ODS Dietary Supplement Label Database, label 266945 (entered June 16, 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?

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 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?

1 product lists the very same ingredients; the nearest amounts come first.

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
Directions: As a dietary supplement, take 2 capsules daily with a meal. For a more immediate response take 3 to 4 capsules 90 minutes before activity.
Warnings
Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Caution: If you are pregnant or nursing do not take this product.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Source: label statements in DSLD label 266945.

What else is on the label?

Other ingredients: Gelatin, Vegetable Cellulose, Vegetable Magnesium Stearate, Silica.

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

How many labels does Formula 594 have?

3 labels are on file under this name since July 27, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 266945 (current) Entered June 16, 2022 · on the market · 60 capsules · UPC 0 52301 59460 3
  2. Label 265779 Entered April 11, 2022 · on the market · 60 capsules
  3. Label 245036 Entered July 27, 2021 · off the market August 24, 2021 · 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 Dee Cee Laboratories, Inc. (manufacturer), White House, TN. All DC products.

Where next?