Master Gland Formula

by Nature's Sunshine · capsule · 120 capsules

  • On the market (NIH)
  • UPC 0 99904 03040 4
  • DSLD label 278169
  • Serving 2 capsules
  • 60 servings

Master Gland Formula by Nature's Sunshine lists 23 ingredients, 8 with an amount per serving of 2 capsules, such as 270 mcg of vitamin A, 60 mg of vitamin C, 10 mg of vitamin E and 24 mg of pantothenic acid; 15 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2022.

What is in Master Gland Formula?

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).

Master Gland Formula: Supplement Facts rows against the market (DSLD label 278169, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene270 mcg30%
Vitamin Cas Ascorbic Acid60 mg67%Vitamin C in Master Gland Formula against 18,583 products60 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg60 mg

65% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 120 mg.

Vitamin Eas D-Alpha-Tocopheryl Acetate10 mg67%
Pantothenic Acidas D-Calcium Pantothenate24 mg480%Pantothenic Acid (Vitamin B5) in Master Gland Formula against 10,060 products24 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg24 mg

Higher than 61% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg). Per day at the most servings: 48 mg.

Zincas Zinc Gluconate6 mg55%Zinc in Master Gland Formula against 13,186 products6 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg6 mg

69% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 12 mg.

Manganeseas Manganese Amino Acid Chelate1 mg43%Manganese in Master Gland Formula against 7,016 products1 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg1 mg

70% of 7,016 products listing manganese give more (median 2 mg). Per day at the most servings: 2 mg.

Potassiumas Potassium Citrate20 mg1%Potassium in Master Gland Formula against 11,614 products20 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg20 mg

89% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 40 mg.

Soy Lecithin25 mgLecithin in Master Gland Formula against 804 products25 mg per serving; the middle half of products list 50 mg to 1,200 mg, the median 200 mg.25 mg

87% of 804 products listing lecithin give more (median 200 mg). Per day at the most servings: 50 mg.

Proprietary Blend688 mg
Licoricein the blend, no amount given
Alfalfain the blend, no amount given
Asparagus stem extractin the blend, no amount given
Black Walnutin the blend, no amount given
Parsleyin the blend, no amount given
Partheniumin the blend, no amount given
Thymein the blend, no amount given
Dandelionin the blend, no amount given
Angelica sinensisin the blend, no amount given
Eleutheroin the blend, no amount given
Kelpas Ascophyllum nodosum, Laminaria digitataKelp (Form: Ascophyllum nodosum Genus: Ascophyllum Species: nodosum, and Laminaria digitata Genus: Laminaria Species: digitata) PlantPart: leaf and stemin the blend, no amount given
Lemon Bioflavonoid extractin the blend, no amount given
Schisandrain the blend, no amount given
Marshmallow root extractin the blend, no amount given
Uva Ursiin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 278169 (entered October 24, 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:

  • 89% of the 11,614 products that print an amount of potassium list more than its 20 mg of potassium (median 99 mg).
  • 87% of the 804 products that print an amount of lecithin list more than its 25 mg of soy lecithin (filed by NIH under lecithin) (median 200 mg).

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 Master Gland Formula'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
Recommended Use: Take 2 capsules twice daily.
Warnings
Do not use if inner seal is missing or damaged.

Source: label statements in DSLD label 278169.

What else is on the label?

Other ingredients: Capsule.

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

How many labels does Master Gland Formula have?

4 labels are on file under this name since February 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 278169 (current) Entered October 24, 2022 · on the market · 120 capsules · UPC 0 99904 03040 4
  2. Label 207829 Entered October 23, 2019 · off the market January 21, 2022 · 120 capsules · UPC 0 99904 03040 4
  3. Label 17947 Entered January 25, 2013 · off the market February 27, 2019 · 120 capsules · UPC 0 99904 03040 4
  4. Label 5507 Entered February 23, 2012 · on the market

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

Who makes it?

The label names Nature's Sunshine Products, Inc. (manufacturer), Spanish Fork, UT. All Nature's Sunshine products.

Where next?