AML Pre-Workout: Advanced Molecular Labs Label and Caffeine Guide

Advanced Molecular Labs AML PreWorkout Fruit Punch black and red 520 g tub
Advanced Molecular Labs original PreWorkout, Fruit Punch. Stim-Free and X-Treme have separate formulas.

AML Pre-Workout is a supplement from Advanced Molecular Labs. The initials do not mean an AM or morning-workout category. The company sells original Pre-Workout, Stim-Free and X-Treme products, so first match the complete name to the container you are considering.

What the original AML label contains

The facts panel linked from AML’s original product page uses one 26 g scoop and lists 20 servings. Its main ingredients are:

  • 8 g citrulline and 5 g creatine monohydrate
  • 2.5 g betaine anhydrous, 2 g beta-alanine and 2 g L-tyrosine
  • 400 mg caffeine anhydrous
  • 100 mg velvet bean seed extract, 100 mg grape skin extract and 5 mg BioPerine
  • 100 mg magnesium, 500 mg potassium and folate

These are amounts printed on the reviewed manufacturer label, not laboratory measurements. The velvet bean entry does not state a standardized L-DOPA percentage, so an exact L-DOPA dose cannot be inferred from its 100 mg extract weight.

The caffeine amount deserves priority

A full serving supplies 400 mg caffeine before any coffee, tea or energy drink. FDA guidance describes that daily amount as generally not associated with adverse effects for most adults; it is neither a recommended workout dose nor a personal safety guarantee. Individual sensitivity, medical conditions and medicines can change suitability. Avoid adding other stimulants, and discuss the full ingredient list with a clinician if you take medication.

Original, Stim-Free and X-Treme are separate choices

Use AML’s pre-workout collection to identify the version. Do not transfer this original formula’s numbers to either alternative. The original product directions specify one level scoop in 12 ounces of water, 30–45 minutes before exercise, with no more than one serving daily.

How to compare it fairly

Record the serving weight, caffeine and included creatine before comparing price per serving. If you already supplement creatine, count what the pre-workout adds. Ingredient research does not establish that this exact mixture improves every workout; the NIH evidence review cautions against assuming results from individual ingredients apply to combinations. Choose around your needs and restrictions rather than the strength of the branding.

Product pages and existing offers

These are affiliate links; we may earn a commission from qualifying purchases. Check current labels and checkout terms. Discounts, including any 20% offer or code SHAWTAYYYY7, are subject to eligibility and are not guaranteed.

The larger sample-kit campaign is distinct from older three-sample or five-sample advertisements. Confirm current contents, shipping, customer eligibility and optional add-ons on its landing page.

Sources and review notes

Reviewed October 12, 2026. AML original Pre-Workout. AML original Supplement Facts. AML pre-workout product family. FDA caffeine guidance. NIH exercise supplement evidence. This is editorial guidance based on identified labels and sources, not a report of personal product testing. Product versions and offers can change.

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