PlainVitamins

Green Barley Grass 500 mg

by Good 'N Natural · tablet or pill · 120 tablets

  • Off the market since May 2016 (NIH)
  • UPC 0 74312 45840 8
  • DSLD label 58178
  • Serving 7 tablets
  • 17 servings

Green Barley Grass 500 mg by Good 'N Natural lists 25 ingredients, 25 with an amount per serving of 7 tablets, such as 0.15 mg of thiamine, 0.04 mg of riboflavin, 1 mg of vitamin B6 and 243 mg of calcium, beside 4 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on March 24, 2016.

What is in Green Barley Grass 500 mg?

Each row as the label prints it, per serving of 7 tablets. 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).

Green Barley Grass 500 mg: Supplement Facts rows against the market (DSLD label 58178, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydratesless than 1 g1%
Dietary Fiber2 g7%Fiber in Green Barley Grass 500 mg against 6,987 products2 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.2 g

38% of 6,987 products listing fiber give more (median 2 g). Per day at the most servings: 4 g.

Proteinless than 1 g1%
Thiamineas Vitamin B10.15 mg10%Thiamin in Green Barley Grass 500 mg against 9,830 products0.15 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.15 mg

97% of 9,830 products listing thiamin give more (median 5 mg). Per day at the most servings: 0.3 mg.

Riboflavinas Vitamin B20.04 mg2%Riboflavin in Green Barley Grass 500 mg against 9,824 products0.04 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.04 mg

over 99% of 9,824 products listing riboflavin give more (median 4 mg). Per day at the most servings: 0.08 mg.

Vitamin B61 mg43%Vitamin B6 in Green Barley Grass 500 mg against 15,277 products1 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg1 mg

88% of 15,277 products listing vitamin B6 give more (median 6 mg). Per day at the most servings: 2 mg.

Calcium243 mg24%Calcium in Green Barley Grass 500 mg against 17,831 products243 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg243 mg

Higher than 72% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 486 mg.

Iron2 mg11%Iron in Green Barley Grass 500 mg against 6,910 products2 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg2 mg

66% of 6,910 products listing iron give more (median 5 mg). Per day at the most servings: 4 mg.

Phosphorus136 mg14%Phosphorus in Green Barley Grass 500 mg against 3,786 products136 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg136 mg

Higher than 66% of 3,786 products listing phosphorus (median 90 mg). Per day at the most servings: 272 mg.

Magnesium38 mg10%Magnesium in Green Barley Grass 500 mg against 14,003 products38 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg38 mg

73% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 76 mg.

Manganese0.11 mg6%Manganese in Green Barley Grass 500 mg against 7,016 products0.11 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg0.11 mg

97% of 7,016 products listing manganese give more (median 2 mg). Per day at the most servings: 0.22 mg.

Potassium78 mg2%Potassium in Green Barley Grass 500 mg against 11,614 products78 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg78 mg

64% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 156 mg.

Sodium10 mg1%Sodium in Green Barley Grass 500 mg against 14,514 products10 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.10 mg

78% of 14,514 products listing sodium give more (median 55 mg). Per day at the most servings: 20 mg.

Barley grass powderBarley grass powder PlantPart: leaf and stem Genus: Hordeum Species: vulgare Note: 3.5 g3,500 mgBarley in Green Barley Grass 500 mg against 328 products3,500 mg per serving; the middle half of products list 58 mg to 1,000 mg, the median 312 mg.3,500 mg

Higher than 96% of 328 products listing barley (median 312 mg). Per day at the most servings: 7,000 mg.

Alanine260 mgAlanine in Green Barley Grass 500 mg against 475 products260 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.260 mg

58% of 475 products listing alanine give more (median 483 mg). Per day at the most servings: 520 mg.

Arginine240 mgArginine in Green Barley Grass 500 mg against 1,455 products240 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.240 mg

69% of 1,455 products listing arginine give more (median 500 mg). Per day at the most servings: 480 mg.

Aspartic Acid450 mgAspartic Acid in Green Barley Grass 500 mg against 377 products450 mg per serving; the middle half of products list 106 mg to 1,846 mg, the median 337 mg.450 mg

Higher than 52% of 377 products listing aspartic acid (median 337 mg). Per day at the most servings: 900 mg.

Glutamic Acid480 mgGlutamic Acid in Green Barley Grass 500 mg against 697 products480 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.480 mg

Higher than 77% of 697 products listing glutamic acid (median 80 mg). Per day at the most servings: 960 mg.

Glycine200 mgGlycine in Green Barley Grass 500 mg against 1,078 products200 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.200 mg

56% of 1,078 products listing glycine give more (median 300 mg). Per day at the most servings: 400 mg.

Histidine90 mgHistidine in Green Barley Grass 500 mg against 591 products90 mg per serving; the middle half of products list 50 mg to 402.8 mg, the median 125 mg.90 mg

63% of 591 products listing histidine give more (median 125 mg). Per day at the most servings: 180 mg.

Isoleucine140 mgIsoleucine in Green Barley Grass 500 mg against 1,614 products0.14 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.23 g.0.14 g

91% of 1,614 products listing isoleucine give more (median 1.23 g). Per day at the most servings: 0.28 g.

Leucine330 mgLeucine in Green Barley Grass 500 mg against 2,056 products0.33 g per serving; the middle half of products list 1 g to 3.5 g, the median 2.5 g.0.33 g

87% of 2,056 products listing leucine give more (median 2.5 g). Per day at the most servings: 0.66 g.

Lysine250 mgLysine in Green Barley Grass 500 mg against 1,250 products250 mg per serving; the middle half of products list 148.25 mg to 996.25 mg, the median 500 mg.250 mg

63% of 1,250 products listing lysine give more (median 500 mg). Per day at the most servings: 500 mg.

Phenylalanine210 mgPhenylalanine in Green Barley Grass 500 mg against 611 products210 mg per serving; the middle half of products list 100 mg to 597.5 mg, the median 250 mg.210 mg

53% of 611 products listing phenylalanine give more (median 250 mg). Per day at the most servings: 420 mg.

Proline200 mgProline in Green Barley Grass 500 mg against 387 products200 mg per serving; the middle half of products list 100 mg to 1,289 mg, the median 487.5 mg.200 mg

60% of 387 products listing proline give more (median 487.5 mg). Per day at the most servings: 400 mg.

Serine200 mgSerine in Green Barley Grass 500 mg against 314 products200 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.200 mg

59% of 314 products listing serine give more (median 408 mg). Per day at the most servings: 400 mg.

Threonine20 mgTHREONINE in Green Barley Grass 500 mg against 590 products20 mg per serving; the middle half of products list 140 mg to 886.25 mg, the median 500 mg.20 mg

95% of 590 products listing THREONINE give more (median 500 mg). Per day at the most servings: 40 mg.

Tyrosine160 mgTyrosine in Green Barley Grass 500 mg against 1,680 products160 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.160 mg

74% of 1,680 products listing tyrosine give more (median 500 mg). Per day at the most servings: 320 mg.

Valine270 mgValine in Green Barley Grass 500 mg against 1,632 products0.27 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1.25 g.0.27 g

83% of 1,632 products listing valine give more (median 1.25 g). Per day at the most servings: 0.54 g.

Source: NIH ODS Dietary Supplement Label Database, label 58178 (entered March 24, 2016), 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:

  • 97% of the 9,830 products that print an amount of thiamin list more than its 0.15 mg of thiamin (median 5 mg).
  • over 99% of the 9,824 products that print an amount of riboflavin list more than its 0.04 mg of riboflavin (median 4 mg).
  • 88% of the 15,277 products that print an amount of vitamin B6 list more than its 1 mg of vitamin B6 (median 6 mg).
  • 97% of the 7,016 products that print an amount of manganese list more than its 0.11 mg of manganese (median 2 mg).
  • Its 3,500 mg of barley is higher than 96% of the 328 barley products that print an amount; 10 list more.
  • 91% of the 1,614 products that print an amount of isoleucine list more than its 0.14 g of isoleucine (median 1.23 g).

The NIH database records 1 to 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 Green Barley Grass 500 mg'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: For adults, take seven (7) tablets one or two times daily, preferably with meals.
Warnings
Keep out of reach of children.
Do not use if seal under cap is broken or missing.
WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Allergens and what it does not contain
No Gluten, No Yeast, No Wheat, No Milk or Milk Derivatives, No Lactose, No Soy, No Egg, No Corn, No Grapefruit, No Fish, No Sugar, No Sweetener, No Preservatives, No Artificial Color, No Artificial Flavor.
Storage
Store at room temperature.

Source: label statements in DSLD label 58178.

What else is on the label?

Other ingredients: Vegetable Cellulose, Dicalcium Phosphate, Silica, Vegetable Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): VEGETARIAN VEGAN FORMULA GUARANTEED QUALITY LABORATORY TESTED.

How many labels does Green Barley Grass 500 mg have?

2 labels are on file under this name since July 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 58178 (current) Entered March 24, 2016 · off the market May 10, 2016 · 120 tablets · UPC 0 74312 45840 8
  2. Label 10949 Entered July 25, 2012 · off the market February 5, 2016 · 120 tablets · UPC 0 74312 45840 8

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

Who makes it?

The label names Good 'N Natural Manufacturing Corp. (manufacturer), Ronkonkoma, NY. All Good 'N Natural products.

Where next?