# Essential AMIN.O. Energy (avec caféine) - Optimum Nutrition **Category:** Alimentation & boissons **Code (GTIN/SKU):** 5060245605465 **Canonical URL:** https://openreviews.io/en/reviews/p/essential-amin-o-energy-avec-cafeine-optimum-nutrition-5060245605465 ## Rating: 4.8/5 ★★★★★ — 194 reviews analyzed _Confidence: high_ ## At a glance Essential AMIN.O. Energy (avec caféine) - Optimum Nutrition reviews: 4.8/5 based on 194 analyzed reviews from 5 sites, updated October 26, 2026. Praised: energy and focus and excellent solubility. Criticized: feeling of thirst. 194 reviews analyzed, all published on other sites. Other sites: 5 sources, 194 reviews, average rating 4.8/5. How we count reviews: https://openreviews.io/en/methodology ## AI summary This stimulant-enriched amino acid complex is particularly appreciated for its ability to provide an energy boost and increased focus during workouts. Its quality formula stands out for its excellent solubility in water and particularly easy digestion. The stimulating effect of caffeine is delivered smoothly, without causing uncomfortable jitters. Although the variety of flavors offered is praised for its pleasant taste, the formulation can encourage you to hydrate more during exercise. ## Strengths - **Energy and focus** — The product provides a stable energy boost and improves concentration without the jittery effect sometimes associated with caffeine. - **Excellent solubility** — The powder dissolves perfectly and quickly in water for smooth consumption. - **Easy digestion** — Users highlight that this amino acid formula is particularly gentle on the stomach. - **Variety of flavors** — The range offers a wide choice of pleasant flavors that make the drink enjoyable to consume. ## Weaknesses - **Feeling of thirst** — Some feedback indicates that the composition may require drinking more water than usual. ## Frequently asked questions - Does this product give jitters from the caffeine? - Does the powder mix easily without clumping? - Are the different flavors offered pleasant? - Is this supplement heavy to digest before a workout? --- _Source: OpenReviews — https://openreviews.io/en/reviews/p/essential-amin-o-energy-avec-cafeine-optimum-nutrition-5060245605465_