PlainVitamins

Caffeine L-Theanine 100/200 mg

by Hard Rhino · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 18132 85180 9
  • DSLD label 72165
  • Serving 1 capsule
  • 60 servings

Caffeine L-Theanine 100/200 mg by Hard Rhino lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 200 mg of L-theanine and 100 mg of caffeine. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2017.

What is in Caffeine L-Theanine 100/200 mg?

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

Caffeine L-Theanine 100/200 mg: Supplement Facts rows against the market (DSLD label 72165, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Theanine200 mgTheanine in Caffeine L-Theanine 100/200 mg against 1,602 products200 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.200 mg

Higher than 61% of 1,602 products listing theanine (median 100 mg).

Caffeineas Caffeine Anhydrous100 mgCaffeine in Caffeine L-Theanine 100/200 mg against 3,358 products100 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.100 mg

72% of 3,358 products listing caffeine give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 72165 (entered March 24, 2017), 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?

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: Healthy adults may take one serving (1 capsule) daily as a dietary supplement for energy and endurance. Do not consume more than 2 servings in one day.
Warnings
Caution: Be careful! This product contains caffeine and can be dangerous if abused. Do not exceed a total daily intake of 400mg including but not limited to beverages and other supplements. Failure to follow safety guidelines can result in serious injury and/or death.
Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).
Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).
Always consult with a qualified health physician before taking any new dietary supplement.
Do not use or consume if seal is broken.
Allergens and what it does not contain
Allergens: This product contains no soy, dairy & byproducts, eggs, fish, shellfish, wheat, gluten, tree nuts, or sesame seeds.
This contain non-GMO ingredients
Storage
Storage: Store in a cool, dry place.

Source: label statements in DSLD label 72165.

What else is on the label?

Other ingredients: Rice Flour, Vegetarian Cellulose, Magnesium Stearate, Silicon Dioxide.

How many labels does Caffeine L-Theanine 100/200 mg have?

One label is on file, entered on March 24, 2017.

  1. Label 72165 (current) Entered March 24, 2017 · on the market · 60 capsules · UPC 8 18132 85180 9

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

Who makes it?

The label names Guardian Wholesale (manufacturer), Phoenix, AZ. All Hard Rhino products.

Where next?