PWO/STIM Pre-Workout Amplifier Lemon Lime

by Prime Nutrition Performance Series · powder · 3.38 oz.

  • Off the market since November 2023 (NIH)
  • UPC 6 89466 70610 9
  • DSLD label 42379
  • Serving 3.2 g (1 scoop)
  • 30 servings

PWO/STIM Pre-Workout Amplifier Lemon Lime by Prime Nutrition Performance Series lists 6 ingredients; 6 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2015.

What is in PWO/STIM Pre-Workout Amplifier Lemon Lime?

Each row as the label prints it, per serving of 3.2 g. 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).

PWO/STIM Pre-Workout Amplifier Lemon Lime: Supplement Facts rows against the market (DSLD label 42379, January 2026 release)
IngredientAmount% DVAmong products listing it
Proprietary Blend2.59 g
Beta-Alaninein the blend, no amount given
L-Tyrosinein the blend, no amount given
L-Taurinein the blend, no amount given
Caffeine Anhydrousin the blend, no amount given
AMP Citratein the blend, no amount given
Synephrine HClin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 42379 (entered February 25, 2015), 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; 6 ingredients sit inside a blend, so their amounts cannot be compared.

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 PWO/STIM Pre-Workout Amplifier Lemon Lime'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
PERFORMANCE TRAINING USAGE: As a dietary supplement consume 1 serving in the morning and 1 serving pre-workout. For best results user may consume up to 2 servings per day, both pre-workout. To mix combine 1 serving (1 scoop) per 10-20oz of water. Stir vigorously with a spoon or mix in a shaker cup. Do not exceed recommended dosage.
Warnings
WARNING: Not for use for individuals under the age of 18 years.
Do not use if you are pregnant or nursing.
Do not exceed recommended serving. Exceeding recommended serving may cause serious adverse health effects. Discontinue use and call a physician or licensed qualified health care professional immediately if you experience any adverse symptoms. Improper use of this product may be hazardous to a person's health. Exceeding recommended serving will not improve results.
Allergens and what it does not contain
No Artificial Colors or Dyes

Source: label statements in DSLD label 42379.

What else is on the label?

Other ingredients: Citric Acid, Natural & Artificial flavors, Sucralose, Acesulfame-K, Silicon Dioxide, FD&C.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): P.

How many labels does PWO/STIM Pre-Workout Amplifier Lemon Lime have?

One label is on file, entered on February 25, 2015.

  1. Label 42379 (current) Entered February 25, 2015 · off the market November 9, 2023 · 3.38 oz. · UPC 6 89466 70610 9

DSLD also links this label to: PWO/STIM Pre-Workout Amplifier Grape (flavor difference), PWO/STIM Pre-Workout Amplifier Grape (flavor difference).

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

Who makes it?

The label names Prime Nutrition(R) Prime Nutrition LLC (distributor), Boca Raton, FL. All Prime Nutrition Performance Series products.

Where next?