RSP NUTRITION AminoLean Pre Workout Powder
RSP AminoLean is a lighter amino-energy powder that sits between an energy drink mix and a pre-workout.
Editorial review
Product-specific buying guidance
Overview
RSP AminoLean is a lighter amino-energy powder that sits between an energy drink mix and a pre-workout.
What makes it different
It combines 125mg natural caffeine with 5g aminos and a weight-management ingredient blend, making it less intense than high-stim pre-workouts.
Best use case
Best for users who want moderate energy before workouts or during the day without jumping to 250mg-350mg caffeine formulas.
Limitations
It is not pump-heavy or high-stim. Users wanting strong citrulline/beta-alanine style pre-workouts may prefer LIT V2, Legion Pulse, or Animal Fury.
Comparison note
Compared with ON Amino Energy, AminoLean has similar amino-energy positioning but adds weight-management blend positioning. Compared with Legion Pulse, it is much lighter.
Final verdict
A good lighter amino-energy option for users who want moderate caffeine and amino support, not a full high-stim pre-workout.
Score breakdown
Internal editorial score
This is an internal score out of 10, not an marketplace rating.
- Brand trust
- 8.2/10
- Product relevance
- 8.6/10
- Ingredient/spec clarity
- 8.0/10
- Buyer intent fit
- 8.7/10
- Value expectation
- 8.1/10
- Availability confidence
- 8.3/10
Pros
- 125mg natural caffeine
- 5g amino blend positioning
- Lighter than high-stim pre-workouts
Cons
- Not a strong pump-focused pre-workout
- Contains caffeine
- Uses blends where exact individual ingredient amounts may need label verification
Key details
Product details
- Brand
- RSP Nutrition
- Product type
- Amino Energy + Weight Management Powder
- Category
- Strength & Performance
- Primary use case
- Users who want lighter pre-workout energy
- Suitable goals
- strength, recovery
- Last updated
- 2026-05-08
Ingredients & Formula
Formula notes
AminoLean is a lighter amino-energy product, not a heavy high-stim pre-workout.
- Verification status
- partial
- Main ingredients
- Amino acid blend, Taurine, L-Glutamine, CarnoSyn Beta-Alanine, L-Leucine, L-Arginine, L-Citrulline, L-Isoleucine, L-Valine, L-Phenylalanine, L-Threonine, L-Methionine, Weight management blend, L-Carnitine L-Tartrate, Conjugated Linoleic Acid, Green Tea Extract, Green Coffee Bean Extract, Natural caffeine from green tea
- Active ingredients
- Amino acid blend, Natural caffeine, L-Carnitine L-Tartrate, CLA, Green tea extract, Green coffee bean extract
- Protein source
- Sweeteners
- Flavor-specific; verify exact label
- Allergen info
- Verify exact flavor label for allergens, sweeteners, colors, and facility statements.
- Serving info
- 2 scoops / 7.20g on referenced iHerb Peach Rings label; verify exact flavor label.
Nutrition highlights
- 125mg natural caffeine from green tea
- 5g aminos according to RSP
- Zero sugar positioning
- Vegan positioning
- Weight management blend with L-carnitine, CLA, green tea, and green coffee context
- Form
- Powder drink mix
- Flavor
- Multiple flavors
- Package size
- 25 or 30 servings depending on version/flavor
- Diet tags
- Vegan positioning, Zero sugar positioning, Contains caffeine
- Certifications
- None listed
- Protein per serving
- Calories per serving
- Flavor-specific
- Carb info
- Zero sugar positioning
Best for / avoid if
Best for
- Users who want lighter pre-workout energy
- People looking for amino acids plus 125mg caffeine
- Buyers comparing anytime energy and amino powders
Avoid if
- You want a high-stim pre-workout
- You are caffeine-sensitive
- You want a pump-heavy citrulline pre-workout
Medical disclaimer
SupplementCheckLab provides product research and buying guides for informational purposes only. We do not provide medical advice. Always consult a qualified healthcare professional before starting any supplement, especially if you are pregnant, nursing, taking medication, or have a medical condition.
FAQ
Quick buying questions
How much caffeine is in AminoLean?+
RSP lists 125mg natural caffeine from green tea.
How many aminos does it provide?+
RSP positions AminoLean with 5g aminos.
Is AminoLean a high-stim pre-workout?+
No. It is better treated as a moderate amino-energy product.
Is it vegan?+
RSP positions AminoLean as vegan-friendly, but exact flavor labels should still be checked.
How does it compare with Legion Pulse?+
AminoLean is much lighter on caffeine and more anytime-energy oriented, while Legion Pulse is a stronger high-stim pre-workout.