PlainVitamins

Zma-5

by SNAC Nutrition · capsule · 90 veg capsules

  • On the market (NIH)
  • UPC 0 94922 14794 3
  • DSLD label 258540
  • Serving 3 capsules (for Men); amounts per 2 capsules
  • 30 servings

Zma-5 by SNAC Nutrition lists 8 ingredients, 8 with an amount per serving of 2 capsules, such as 7 mg of vitamin B6, 166.7 mcg DFE of folate, 111 mcg DFE of folate and 300 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2022.

What is in Zma-5?

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).

Zma-5: Supplement Facts rows against the market (DSLD label 258540, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine Hydrochloride)7 mg412%Vitamin B6 in ZMA-5 against 15,277 products7 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg7 mg

Higher than 52% of 15,277 products listing vitamin B6 (median 6 mg).

Folate166.7 mcg DFE42%
Folate111 mcg DFE28%
Folic Acid66.7 mcg
Magnesiumas Magnesium Aspartate, Magnesium Oxide300 mg71%Magnesium in ZMA-5 against 14,003 products300 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg300 mg

Higher than 87% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc Aspartate, Zinc Mono-L-Methionine, Zinc Oxide20 mg182%Zinc in ZMA-5 against 13,186 products20 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg20 mg

Higher than 79% of 13,186 products listing zinc (median 11 mg).

5-Hydroxytryptophanas Griffonia simplicifolia Seed Extract5-Hydroxytryptophan (Form: from Griffonia simplicifolia seed extract PlantPart: seed Genus: Griffonia Species: simplicifolia) (Alt. Name: 5-HTP)33.3 mg5-HTP in ZMA-5 against 676 products33.3 mg per serving; the middle half of products list 50 mg to 100 mg, the median 100 mg.33.3 mg

83% of 676 products listing 5-HTP give more (median 100 mg).

BioPerine3.33 mgBlack Pepper in ZMA-5 against 2,363 products3.33 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.3.33 mg

83% of 2,363 products listing black pepper give more (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 258540 (entered January 22, 2022), 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?

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?

The products whose ingredient lists overlap most with Zma-5's, rare ingredients counting for more.

  • Zma-5Scientific Nutrition For Advanced Conditioning SNAC · off the market 5 shared, 79% alike
  • ZMA Nightcap Apple BerrySNAC Nutrition 6 shared, 75% alike
  • ZmaNature's Craft 5 shared, 64% alike
  • SerotoninHelpHerbs SRA 4 shared, 59% alike
  • 5-HTP 100 mgEveryday Health 4 shared, 58% alike
  • Zma JymJYM Supplement Science · off the market 4 shared, 58% 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
Suggested Use: Take 3 capsules daily for men and 2 capsules daily for women, preferably on an empty stomach, 30-60 minutes prior to bedtime. For best results, avoid taking with foods or supplements containing calcium.
Warnings
Warning: Do not use if pregnant, nursing, or under the age of 18.
Consult your doctor before using this or any dietary supplement. Immediately discontinue use and contact your doctor if any adverse reactions occur.
Keep out of reach of children.
To report any serious adverse events, please call 800-697-2086 or email info@snac.com.

Source: label statements in DSLD label 258540.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose.

How many labels does Zma-5 have?

2 labels are on file under this name since January 25, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 258540 (current) Entered January 22, 2022 · on the market · 90 veg capsules · UPC 0 94922 14794 3
  2. Label 211878 Entered January 25, 2020 · off the market August 10, 2021 · 90 veg capsules · UPC 0 94922 14794 3

DSLD also links this label to: Zma-5 (image difference, same product).

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

Who makes it?

The label names SNAC System, Inc. (distributor), San Carlos, CA. All SNAC Nutrition products.

Where next?