PlainVitamins

Zen Natural

by Nutrology · capsule · 90 veggie caps

  • On the market (NIH)
  • UPC 6 52143 98554 8
  • DSLD label 329138
  • Serving 3 veggie capsules
  • 30 servings

Zen Natural by Nutrology lists 4 ingredients, 4 with an amount per serving of 3 veggie capsules, such as 25 mcg (1,000 IU) of vitamin D3, 83 mg of vitamin B6, 400 mg of magnesium and 50 mg of L-theanine. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.

What is in Zen Natural?

Each row as the label prints it, per serving of 3 veggie 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).

Zen Natural: Supplement Facts rows against the market (DSLD label 329138, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D325 mcg (1,000 IU)125%Vitamin D in Zen Natural against 14,175 products25 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg25 mcg

Higher than 59% of 14,175 products listing vitamin D (median 15 mcg).

Vitamin B6as Pyridoxine Hydrochloride83 mg4,882%Vitamin B6 in Zen Natural against 15,277 products83 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg83 mg

Higher than 96% of 15,277 products listing vitamin B6 (median 6 mg).

Magnesiumas Albion Dimagnesium Malate400 mg95%Magnesium in Zen Natural against 14,003 products400 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg400 mg

Higher than 92% of 14,003 products listing magnesium (median 86 mg). 1.1 times the adult UL a day.

L-Theanine50 mgTheanine in Zen Natural against 1,602 products50 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.50 mg

79% of 1,602 products listing theanine give more (median 100 mg).

Source: NIH ODS Dietary Supplement Label Database, label 329138 (entered May 21, 2025), 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:

  • Its 83 mg of vitamin B6 is higher than 96% of the 15,277 vitamin B6 products that print an amount; 667 list more.
  • At 1 serving a day, the most its directions give, the label lists 400 mg of magnesium, 1.1 times the adult Tolerable Upper Intake Level.
  • 79% of the 1,602 products that print an amount of theanine list more than its 50 mg of L-theanine (filed by NIH under theanine) (median 100 mg).

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 Zen Natural'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 3 veggie capsules with 10 fl. oz. of water in the evening. Use for 12-16 weeks for best results. How to use: Count 3 veggie capsules of Zen Natural Take Zen natural with 10 fl. oz. of water. Zen natural should be taken in the evening.
Warnings
Warning: Keep out of reach of children.
Consult a physician before using this product. Do not use if you have kidney failure, pacemaker or excessively low blood pressure. If you develop loose stools, reduce serving size to 1-2 capsules per day for 7 days.
Do not use if tamper evident seal is broken or missing.
Storage
Store in a cool dry place and avoid excessive heat.

Source: label statements in DSLD label 329138.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hypromellose, Rice Flour, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in the USA Made in the USA from International and Domestic Ingredients; GMP Good Manufacturing Practice Manufactured in a cGMP Certified Facility.

How many labels does Zen Natural have?

2 labels are on file under this name since July 21, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 329138 (current) Entered May 21, 2025 · on the market · 90 veggie caps · UPC 6 52143 98554 8
  2. Label 268219 Entered July 21, 2022 · off the market April 2, 2024 · 90 veggie caps · UPC 6 52143 98554 8

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

Who makes it?

The label names Nutrology A Division of Fitlife Brands (manufacturer, distributor), Omaha, NE. All Nutrology products.

Where next?