Roberto Del Amo Bodybuilding

What you need to know

Maximum Strength

If your goal depends on impact strength, muscle mass and energy, the formula you are looking for is this.

Pre-Workout Impact helps with muscle regeneration and delays fatigue, ensuring you do your best in training. It combines L-arginine (vasodilation enhancer), caffeine (ergogenic effect), Maca and Guarana plant extracts, which have stimulating effect, increasing physical endurance and decreasing the feeling of fatigue.

Pre-workout Impact is a formula that will promote explosive strength, muscle growth, increased energy, and at the same time delay the onset of fatigue and facilitate muscle recovery and regeneration. What sets it apart from other pre-workouts is as follows:


  • – Most efficient quantities studied for each of the ingredients;
  • – The fact that caffeine is extracted from coffee beans (more natural than anhydrous caffeine of synthetic origin);
  • – In addition to caffeine, its energizing properties are also due to maca and guarana.





L-Arginine is a conditionally essential amino acid. One of the metabolic pathways that uses L-Arginine as a substrate is that of nitric oxide synthesis.
Numerous studies show that nitric oxide increases blood flow in the brain allowing better oxygen and other nutrients essential for proper brain function.


Citrulline is an amino acid belonging to the urea cycle, synthesized from arginine and glutamine in the enterocytes. A study conducted in 2002 by Bendahan et al demonstrated that citrulline increases aerobic performance, with a 34% increase in aerobic energy output, a reduction in the feeling of fatigue and an improvement in recovery rate, and a 20% increase in phosphocreatine rate.

Creatine Monohydrate

Creatine is a naturally occurring amino acid derivative produced by the body and is found essentially in the muscles.
Numerous studies have shown that, depending on various factors, including the athlete’s fitness, creatine supplementation allows for a 10-40% increase in muscle creatine and phosphocreatine levels. Its short or long term supplementation has shown performance improvements during high intensity exercise associated with increased phosphocreatine levels.


Taurine is a nonessential amino acid found mainly in the retina, skeletal and cardiac muscle, which acts as a neurotransmitter inhibitor of catabolic hormone norepinephrine.
Studies have shown that Taurine supplementation decreases fatigue caused by intense exercise and increases mental alertness.


Caffeine has long been used as an ergogenic element and has shown improved performance even at low doses. The thermogenic effect of anhydrous caffeine has been the subject of several investigations. It seems to be more advantageous than drinking coffee to increase sports performance.
Caffeine supplementation has particular relevance in endurance sports due to its action on different tissues. One of the most pronounced effects occurs at the central nervous system (CNS) level, acting as an adenosine antagonist thus avoiding the feeling of fatigue.
Caffeine also appears to act at the energy substrate level during exercise, saving glycogen and increasing the mobilization of free fatty acids to be used as an energy source. Already in the recovery phase may favor the replacement of glycogen. Increased release of beta-endorphins will be another way caffeine has a beneficial effect on performance.


Also called Andean Ginseng, it has been used since the Incan era as a tonic capable of increasing physical capacity and maintaining the proper functioning of the body. It is used to relieve symptoms of hormonal imbalance; It increases energy and vitality, improves physical and mental performance, maintains a good body balance and helps to reduce physical and mental tiredness.


Guarana (Paullinia cupana) has been used for centuries by indigenous communities in the Amazon, known to have stimulating and therapeutic effects, and other improvements in mood and physical performance have also been attributed to guarana. Although it is thought that the effects are mainly due to caffeine, the evidence also reports effects of other constituents such as tannins, flavonoids and saponins that give it an antioxidant capacity. Guarana also seems to have a psychoactive effect, namely in terms of increased alertness, an advantageous effect for any athlete!


L-arginine, Creatine monohydrate, L-citrulline, Beta-alanine, Acidifier: Citric acid, Taurine, Aroma, Dye powder of beet extract, Caffeine anhydrous, Maca root powder (Lepidium meyenni root) guaraná (22% caffeine) (Sapindaceae Paullinia Cupana K., seed), Sweetener: sucralose.

 Manufactured in facilities that handle, soy, milk, gluten, eggs and lupine, and therefore may contain traces of them.


L-Arginine (base)
4800 mg
3800 mg
3500 mg
3500 mg
1000 mg
Caffeine anhydrous (Coffeine ™)
250 mg
Maca Root Powder
200 mg
Guarana extract
125 mg

How to take it

Take one serving (1 shake) 30 to 45 minutes before workout.

To prepare a shake, add a shallow measure (22 g) in 250 ml of water.

Mix well and drink.

Other information

Not recommended:

  • During pregnancy and breastfeeding;I
  • In case of hypersensitivity or allergy to any of the ingredients of the formula;
  • In case of kidney failure;
  • If you are taking hypotensive drugs, contact your health care professional before taking this product.

Additional information

Weight 0.481 kg
Dimensions 12 × 12 × 14 cm
Tipo de produto

Energetic, Pre-workout



Necessidades dietéticas

Low in sugar, No fat, No sugar, No lactose




Woman, Man


Combat Sports, Crossfit, Fitness, Motor sports, Gymnastics, Radical Sports, Sprinting, Swimming, Team Sports, Water Sports


Muscle Mass/Strength


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Scientific studies

See all studies
J Nutr 2007; 137:1650s-1655s
Br J Sports Med 2002;36:282–289
Amino acids 2011; 40:1369-1383
Nutr Res 2008; 28 (1): 31-5
EFSA Journal 2011; 9(7):2303
Amino Acids 2007; 32: 225-233
Int J Sports Med 2009; 30: 485-488
International society of sports nutrition position stand: caffeine and performance
International society of sports nutrition position stand: caffeine and performance.
[Maca (Lepidium meyenii Walp), a review of its biological properties].
A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioural effects of guaraná in humans.
Scientific Opinion on the substantiation of health claims related to caffeine and increased fat oxidation leading to a reduction in body fat mass, increased energy expenditure leading to a reduction in body weight, increased alertness and increased attention pursuant to Article 13(1) of Regulation (EC) No 1924/2006