Gamma-O

by Gamma Labs · capsule · 120 liqui-caps

  • On the market (NIH)
  • UPC 7 94504 64690 0
  • DSLD label 73266
  • Serving 2 capsules
  • 60 servings

Gamma-O by Gamma Labs lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 1,500 IU (37.5 mcg) of vitamin D, 500 mg of gamma oryzanol, 500 mg of conjugated linoleic acid and 150 mg of indole-3-carbinol, beside 6 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on April 25, 2017.

What is in Gamma-O?

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).

Gamma-O: Supplement Facts rows against the market (DSLD label 73266, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories7 Calories2%
Calories from Fat6 Calories
Total Fat0.6 g2%Fat (unspecified) in Gamma-O against 11,965 products0.6 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.0.6 g

86% of 11,965 products listing fat (unspecified) give more (median 1.5 g). Per day at the most servings: 1.2 g.

Saturated Fat0 g2%
Trans Fat0 g
Monounsaturated Fat0.1 gMonounsaturated Fat in Gamma-O against 989 products0.1 g per serving; the middle half of products list 0.5 g to 1 g, the median 1 g.0.1 g

94% of 989 products listing monounsaturated fat give more (median 1 g). Per day at the most servings: 0.2 g.

Polyunsaturated Fat0.5 gPolyunsaturated Fat in Gamma-O against 1,759 products0.5 g per serving; the middle half of products list 0.5 g to 2 g, the median 1 g.0.5 g

74% of 1,759 products listing polyunsaturated fat give more (median 1 g). Per day at the most servings: 1 g.

Protein0.2 g2%Protein in Gamma-O against 8,985 products0.2 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.0.2 g

98% of 8,985 products listing protein give more (median 16 g). Per day at the most servings: 0.4 g.

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)1,500 IU (37.5 mcg)375%Vitamin D in Gamma-O against 14,175 products37.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg37.5 mcg

Higher than 78% of 14,175 products listing vitamin D (median 15 mcg). Per day at the most servings: 75 mcg.

Gamma Oryzanol500 mgGamma oryzanol in Gamma-O against 85 products500 mg per serving; the middle half of products list 20 mg to 125 mg, the median 60 mg.500 mg

Higher than 95% of 85 products listing gamma oryzanol (median 60 mg). Per day at the most servings: 1,000 mg.

Conjugated Linoleic Acid500 mgConjugated Linoleic Acid in Gamma-O against 422 products0.5 g per serving; the middle half of products list 0.5 g to 1.7 g, the median 1 g.0.5 g

68% of 422 products listing conjugated linoleic acid give more (median 1 g). Per day at the most servings: 1 g.

Indole-3-Carbinol150 mgIndole-3-Carbinol (I3C) in Gamma-O against 100 products150 mg per serving; the middle half of products list 75 mg to 200 mg, the median 150 mg.150 mg

41% of 100 products listing indole-3-carbinol (I3C) give more (median 150 mg). Per day at the most servings: 300 mg.

Maca root powder100 mgMaca in Gamma-O against 728 products100 mg per serving; the middle half of products list 118.13 mg to 600 mg, the median 250 mg.100 mg

75% of 728 products listing maca give more (median 250 mg). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 73266 (entered April 25, 2017), 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?

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 500 mg of gamma oryzanol is higher than 95% of the 85 gamma oryzanol products that print an amount; 2 list more.

The NIH database records 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.

Which products have the closest formulas?

The products whose ingredient lists overlap most with Gamma-O'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
Directions: Take 2 liqui-caps twice daily with food. A daily dosage of 4 capsules per day ensures a 1 month supply in every bottle.

Source: label statements in DSLD label 73266.

What else is on the label?

Other ingredients: Gelatin, Rice Bran Oil, D-Alpha-Tocopheryl Acetate, FD&C Yellow #5, FD&C Yellow #6, Titanium Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): 100% Approved No Banned Substances.

How many labels does Gamma-O have?

4 labels are on file under this name since October 26, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 73266 (current) Entered April 25, 2017 · on the market · 120 liqui-caps · UPC 7 94504 64690 0
  2. Label 19378 Entered March 25, 2013 · off the market April 6, 2017 · 120 liqui-caps · UPC 7 94504 64690 0
  3. Label 771 Entered November 25, 2011 · on the market · 960 mL · UPC 6 89076 07532 9
  4. Label 774 Entered October 26, 2011 · on the market · 150 microlozenges · UPC 6 89076 88005 3

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

Who makes it?

The label names Gamma Labs (distributor), West Babylon, NY. All Gamma Labs products.

Where next?