RSP Nutrition Review: Is RSP Nutrition a Good Company?
Reading Time: 7 minutes RSP Nutrition has been one of my go-to supplement brands for nearly a decade, and RSP AminoLean is easily one of my all-time favorite supplements.
Whether it’s for energy, recovery, or weight management support, RSP consistently delivers high-quality products that fit a variety of fitness goals.
I’ve tried several RSP Nutrition supplements over the years and have been impressed with their ingredient formulations and overall effectiveness.
However, one thing that holds them back from being a top-tier brand is their lack of NSF or Informed Choice certifications.
While I genuinely believe they make excellent supplements, I do wish they would take that extra step in third-party testing to provide even more assurance.
That said, if you’re looking for effective, well-formulated supplements that don’t break the bank, RSP Nutrition is a brand worth considering.
Want to see how their supplements stack up?
Read my full RSP Nutrition Review for a complete breakdown of their top supplements and whether they’re the right fit for you.
What is RSP Nutrition
RSP Nutrition is a sports nutrition and supplement company that focuses on creating high-quality, science-backed products designed to support fitness enthusiasts, athletes, and individuals pursuing a healthier lifestyle.
Founded in 2008, the brand has built a reputation for offering affordable, effective, and innovative supplements that cater to a wide range of health and performance goals, including energy, weight management, muscle recovery, and overall wellness.
One of RSP Nutrition’s most well-known and widely used products is AminoLean, a pre-workout and amino acid blend that provides clean energy, enhances endurance and supports weight management without excessive stimulants.
Alongside AminoLean, RSP offers a variety of supplements, including protein powders, fat burners, multivitamins, and creatine—all formulated to help users optimize their workouts and daily nutrition.
While RSP Nutrition delivers well-balanced and effective supplements, they currently lack NSF or Informed Choice certifications, which means they don’t have the same level of third-party testing as some other top-tier brands.
However, their ingredient transparency, clean formulas, and commitment to innovation make them a trusted option for many looking to enhance their fitness and health journey.
While I genuinely enjoy their innovative and effective formulations, an NSF certification would provide additional confidence, ensuring their products meet strict standards for banned substances and quality.
For anyone not bound by these certification requirements, RSP Nutrition offers exceptional value and results.
But for competitive athletes or those who require NSF-certified products, this remains a limitation to consider.
RSP Nutrition Supplements Review
RSP Nutrition’s extensive product range caters to every aspect of athletic performance and recovery.
The product categories include pre-workouts, post-workouts, protein powders, fat burners, multivitamins, and essential fatty acids.
Some notable products are AminoLean, TrueFit, QuadraLean, and AminoLean Max.
Let’s take a look at a few of their main supplements:
AminoLean
RSP Nutrition AminoLean is a versatile EAA supplement designed to boost energy, enhance pre-workout performance, support weight management, and aid muscle recovery—all while adhering to vegan-friendly standards.
Its clean, naturally flavored, sweetened, and colored formulation makes it ideal for those seeking a conscious, plant-based lifestyle.
Key ingredients in Amino Lean include:
- Amino Acid Blend (5g): Essential and non-essential amino acids like Taurine, L-Glutamine, L-Leucine, and Beta-Alanine promote muscle recovery, growth, and endurance during intense exercise.
- Weight Management Blend (1.5g): Ingredients like CLA, Green Tea Extract, and Green Coffee Bean Extract support fat metabolism and antioxidant protection.
- Energy & Focus Blend (130mg): Powered by InnovaTea® Natural Caffeine, Guarana Seed, and Organic Matcha Leaf, this blend provides sustained energy and mental clarity.
- Electrolytes (Sodium & Chloride): These essential minerals help replenish fluids lost during workouts and maintain hydration.
AminoLean can be taken 20–30 minutes before a workout for enhanced performance or on rest days to support energy, recovery, and metabolism.
With its all-in-one functionality and clean formulation, I believe it is the best EAA supplement and best amino acid supplement overall.
Along with that, Amino Lean is one of the best supplements for weight loss, and I know Amino Lean is a good pre workout!
Last update on 2025-04-16 / This article includes affiliate links/Images via Amazon Product Advertising API. I may earn commissions on purchases made through these links.
For more information, read my complete Amino Lean review!
TrueFit
TrueFit Protein Powder by RSP Nutrition is more than just a protein shake—it’s a powerhouse of nutrition crafted to meet the diverse dietary needs of both men and women.
Designed as a one-stop solution, it combines premium protein, gut-friendly probiotics, fiber, healthy fats, and nutrient-packed superfoods to support recovery, boost overall wellness, and simplify your nutrition routine.
What truly sets TrueFit apart is its clean, all-natural ingredients.
Free from GMOs, gluten, soy, artificial additives, and preservatives, this supplement is perfect for those who value transparency and purity in their nutrition.
Additionally, TrueFit shines in its versatility.
It can be used as a lean, nutrient-dense meal replacement or as a traditional protein powder supplement. Its balanced profile makes it ideal for busy individuals needing a quick, nourishing option or athletes prioritizing recovery and muscle repair.
With its thoughtfully crafted blend of high-quality protein, digestion-boosting prebiotics and probiotics, and a rich superfood lineup, TrueFit delivers everything you need in a single scoop.
Key Features and Ingredients
- Premium Grass-Fed Whey Protein (25g): TrueFit is made with grass-fed, pasture-raised whey protein concentrate from family farms in the USA. This high-quality protein promotes muscle recovery and growth, making it ideal for post-workout nutrition.
- Fiber & Superfood Blend: Each serving provides 10g of prebiotic fiber from sources like VitaFiber™-IMO and sweet potato powder, supporting digestion and gut health. Additionally, it includes a blend of 12 non-GMO organic fruits and vegetables, such as broccoli, carrot, kale, and elderberry, offering diverse micronutrient support for overall health.
- Probiotics & Prebiotics: TrueFit delivers 8g of fiber and 1 billion CFU of probiotics (Lactospore® Bacillus Coagulans) to improve gut health. This combination helps enhance digestion, immune function, and even mental well-being.
- MCT Oil Powder (1g): MCT oil offers a fast-absorbing energy source that fuels the body efficiently without contributing to fat storage.
Last update on 2025-04-16 / This article includes affiliate links/Images via Amazon Product Advertising API. I may earn commissions on purchases made through these links.
QuadraLean
RSP Nutrition’s QuadraLean Thermogenic combines science-backed fat-burning ingredients, natural energy boosters, and focus enhancers to support metabolism, appetite control, and cognitive performance—all without jitters or crashes.
Its 100% transparent formula avoids fillers and proprietary blends, ensuring every ingredient is precisely dosed for optimal fat loss and energy.
With CLA, L-Carnitine, and natural caffeine from Green Tea, it provides clean energy while boosting metabolism and focus.
Versatile and effective, QuadraLean Thermogenic works as a pre-workout energy booster or a midday metabolism support supplement, making it a smart choice for athletes and anyone seeking sustainable weight management.
Key Ingredients and Benefits
- Thermogenesis Blend: This blend features 500mg of Conjugated Linoleic Acid (CLA), 25mg of Cayenne Pepper Extract, and 25mg of Grains of Paradise (Paradoxine®). These ingredients work together to increase metabolic rate, promote fat oxidation, and support lean muscle maintenance.
- Natural Energy Boosters: With 200mg of caffeine sourced from Green Tea, this formula provides sustained energy to power through workouts or busy days while avoiding the harsh crashes of synthetic stimulants.
- Neuro Focus Blend: Alpha-GPC (50mg) and Choline Bitartrate (300mg) enhance mental clarity and focus, ensuring you stay motivated both in and out of the gym.
- Metabolism Support: L-carnitine (500mg) aids in fat metabolism by helping the body convert stored fat into usable energy, making it a vital component of this formulation.
Last update on 2025-04-16 / This article includes affiliate links/Images via Amazon Product Advertising API. I may earn commissions on purchases made through these links.
Final Thoughts: Is RSP Nutrition a Good Supplement Company?
RSP Nutrition has built a strong reputation for offering affordable, effective, and well-formulated supplements that support a variety of fitness and health goals.
From AminoLean, one of my all-time favorite supplements, to their protein powders, creatine, and recovery products, RSP delivers high-quality options that cater to athletes, gym-goers, and health-conscious individuals alike.
One of the biggest strengths of RSP Nutrition is its ingredient transparency and innovative formulations, which provide noticeable results without unnecessary fillers or excessive stimulants.
Their products are designed to be versatile, clean, and easy to incorporate into any fitness routine, making them an appealing choice for those looking for performance-driven supplementation.
However, the main drawback of RSP Nutrition is that they do not have NSF or Informed Choice certifications.
While this doesn’t mean their supplements are unsafe, it does mean they lack the highest level of third-party testing that some other brands provide. If you’re a competitive athlete who requires certified supplements, this might be a concern.
That said, if you’re looking for high-quality, budget-friendly supplements that actually work, RSP Nutrition is definitely worth considering.
Their products have been a staple in my routine for years, and despite wishing they had better certifications, I still highly recommend them for anyone looking to improve their workouts and overall health.
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