PlainVitamins

Guarana Energizer 900 mg

by Source Naturals · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 21078 01819 3
  • DSLD label 295789
  • Serving 1 tablet
  • 60 servings

Guarana Energizer 900 mg by Source Naturals lists one ingredient: 900 mg of guarana seed extract per serving of 1 tablet. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2023.

What is in Guarana Energizer 900 mg?

Each row as the label prints it, per serving of 1 tablet. 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).

Guarana Energizer 900 mg: Supplement Facts rows against the market (DSLD label 295789, January 2026 release)
IngredientAmount% DVAmong products listing it
Guarana Seed Extractas Caffeine22% caffeine900 mgGuarana in Guarana Energizer 900 mg against 317 products900 mg per serving; the middle half of products list 50 mg to 300 mg, the median 125 mg.900 mg

Higher than 90% of 317 products listing guarana (median 125 mg). Per day at the most servings: 2,700 mg.

Source: NIH ODS Dietary Supplement Label Database, label 295789 (entered September 25, 2023), 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 900 mg of guarana is higher than 90% of the 317 guarana products that print an amount; 27 list more.

The NIH database records 1 to 3 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?

6 products list the very same ingredients; the nearest amounts come first.

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: 1 tablet up to three times daily. If stomach upset occurs, take with food.
Warnings
Contains wheat.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Caution: For adult use only.
Each tablet contains approximately 200 mg of naturally occurring caffeine, which is 1 to 2 times the amount in one cup of coffee. Caffeine may cause nervousness, irritability, sleeplessness or rapid heartbeat.
If you are pregnant, may become pregnant, breastfeeding, or have fibrocystic breast disease, consult your health care professional before using this product.
Allergens and what it does not contain
Contains no yeast, dairy, egg or soy. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance.

Source: label statements in DSLD label 295789.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Dibasic Calcium Phosphate, Stearic Acid, Modified Cellulose Gum, Silicon Dioxide, Colloidal.

How many labels does Guarana Energizer 900 mg have?

5 labels are on file under this name since November 20, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 295789 (current) Entered September 25, 2023 · on the market · 60 tablets · UPC 0 21078 01819 3
  2. Label 295790 Entered August 23, 2023 · on the market · 200 tablets · UPC 0 21078 00233 8
  3. Label 274654 Entered September 22, 2022 · off the market July 6, 2023 · 60 tablets · UPC 0 21078 01819 3
  4. Label 272524 Entered September 22, 2022 · off the market July 6, 2023 · 200 tablets · UPC 0 21078 00233 8
  5. Label 80976 Entered November 20, 2017 · off the market December 22, 2021 · 200 tablets · UPC 0 21078 00233 8

DSLD also links this label to: Guarana Energizer (package size 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 Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?