PlainVitamins

Red-gen

by Genestra Brands · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 8 83196 12463 3
  • DSLD label 265534
  • Serving 1 capsule
  • 90 servings

Red-gen by Genestra Brands lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 180 mg of calcium and 600 mg of red algae. Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Red-gen?

Each row as the label prints it, per serving of 1 capsule. 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).

Red-gen: Supplement Facts rows against the market (DSLD label 265534, January 2026 release)
IngredientAmount% DVAmong products listing it
CalciumNaturally occurring180 mg14%Calcium in Red-gen against 17,831 products180 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg180 mg

Higher than 62% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 540 mg.

Red Algae600 mgLithothamnion in Red-gen against 41 products600 mg per serving; the middle half of products list 50 mg to 1,210 mg, the median 100 mg.600 mg

Higher than 66% of 41 products listing lithothamnion (median 100 mg). Per day at the most servings: 1,800 mg.

Source: NIH ODS Dietary Supplement Label Database, label 265534 (entered May 19, 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 1 to 3 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 Red-gen's, rare ingredients counting for more.

  • CalciumNatures Plus Source of Life Garden 2 shared, 81% alike
  • Fermented ChlorellaDr. Mercola · off the market 1 shared, 45% alike
  • DentaVenPremier Research Labs 2 shared, 41% alike
  • TrueOsteoNatureCity 2 shared, 38% alike
  • CellfoodNuScience Corp 1 shared, 35% alike

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
Recommended Dose: Take 1 capsule 1 to 3 times daily with meals, a few hours before or after taking medications or other supplements, or as recommended by your health professional.
Warnings
Warning: If you are pregnant or lactating, have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 265534.

What else is on the label?

Other ingredients: Hypromellose, Cellulose, Ascorbyl Palmitate.

How many labels does Red-gen have?

4 labels are on file under this name since January 25, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 265534 (current) Entered May 19, 2022 · on the market · 90 vegetarian capsules · UPC 8 83196 12463 3
  2. Label 264507 Entered May 19, 2022 · off the market November 8, 2024 · 90 vegetarian capsules · UPC 8 83196 12463 3
  3. Label 231366 Entered July 23, 2020 · off the market November 16, 2021 · 90 vegetarian capsules · UPC 8 83196 12463 3
  4. Label 55998 Entered January 25, 2016 · off the market May 18, 2020 · 90 vegetable capsules · UPC 883196 12463

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

Who makes it?

The label names Seroyal USA (distributor), Pittsburgh, PA. All Genestra Brands products.

Where next?