VPX Redline Xtreme Watermelon Review
VPX Redline Xtreme Watermelon Energy Drink is listed on this Uber Eats product page as an 8 fl oz energy drink from the brand VPX, with the manufacturer shown as Vital Pharmaceuticals. The page shows an estimated price of $6.55 and states that the item is sold in an 8 fl oz size. Availability is not confirmed on the page, which instead prompts the visitor to enter an address to check availability in their area. The product is presented under the Redline name, and the description area repeats the words Redline, xtreme, and watermelon along with the manufacturer name, without adding further marketing copy. The ingredients section lists a proprietary blend that includes beta-alanine, caffeine anhydrous, L-leucine, B-phenylethylamine HCl, L-valine, L-isoleucine, N-acetyl-L-tyrosine, yohimbe bark extract standardized to yohimbine HCl, N-methyl tyramine, evodia fruit extract standardized to evodiamine, toothed clubmoss leaf extract standardized to 1% huperzine A, 5-HTP from griffonia seeds, yerba mate leaf extract, green tea leaf extract, and vinpocetine. Other listed ingredients include highly purified water, citric acid anhydrous, natural and artificial flavor, Sucralean brand sucralose, malic acid, sodium benzoate as a preservative, potassium phosphate dibasic, potassium sorbate, and potassium sorbate with calcium disodium EDTA. The page states that the product contains soybeans. The directions say to shake well before use. The page recommends beginning with one-quarter bottle, which is 2 ounces, daily to assess tolerance. It says never to exceed 4 ounces per serving or more than one bottle daily, and advises using the gauge on the bottle to find the ideal dose. The surrounding page content is mostly generic Uber Eats text about grocery delivery, live order tracking, product replacements for out-of-stock items, pickup options, and delivery hours. It also includes frequently asked questions that repeat the product name and explain that availability depends on the delivery radius of the specific stores that carry it. Nearby related products are shown, including other Red Bull and Monster energy drinks, Nos, and a Red Bull Watermelon edition, but these are separate listings and are not part of this product's details. The page does not show a star rating, a review count, written customer feedback, a barcode, or a nutrition facts panel. Serving count and caffeine amount per serving are not stated in the text provided, so cost per month cannot be calculated from the page.
Study, Trial or Testing Result Summary
Members Only15 human studies · 7 improved
This product itself was tested in a human study.
One small placebo-controlled trial tested this kind of high energy drink in 12 male strength and power athletes. A single 120 milliliter dose raised how energetic and focused the men felt and improved their reaction performance compared with a placebo drink [1]. It did not change their short, all-out power output [1]. The trial looked at one dose only, not regular use, and only at young male athletes, so the support is real but limited [1]. The label also lists an electrolyte matrix, but its amount is hidden in a blend, so it cannot be compared with the studied doses. Studies of electrolyte drinks are mixed. Outdoor workers in heat reported less fatigue on days they drank about 1 liter of oral rehydration solution [2], and a review found sports drinks with added protein improved endurance in thirteen of twenty studies [3]. However, newer small trials of electrolyte drinks with little or no sugar found no change in fatigue or performance compared with water [4][5][6][7]. Those studies used large drink volumes, unlike this small product. Animal and cell studies are never counted.
See all 15 studies →Hide the studies
- A review of twenty studies found that in thirteen, sports drinks with protein improved endurance performance compared with carbohydrate-electrolyte drinks or placebo.[EFFECTS OF INGESTING CARBOHYDRATE-PROTEIN SUPPLEMENTS DURING EXERCISE ON ENDURANCE PERFORMANCE: A SYSTEMATIC REVIEW].
- In 153 outdoor workers in a hot environment, fatigue scores were significantly lower on days they drank about 1 liter of oral rehydration solution than on days they drank their favorite drink.Effect of oral rehydration solution on fatigue during outdoor work in a hot environment: a randomized crossover study.
- In 94 adults over 4 weeks, a low-sodium high-potassium diet improved depression, tension, vigour and overall mood compared with a moderate-sodium diet, while fatigue was only weakly linked to cortisol and mineral levels.Dietary electrolytes are related to mood.
- In 26 healthy young adults after exercise-induced dehydration, 1 liter of maple water rehydrated about as well as plain water, with no clear difference in fatigue or recovery.Rehydrating efficacy of maple water after exercise-induced dehydration.
- In 22 masters-class male endurance athletes, water with electrolytes alone did not restore endurance capacity after a 2-hour recovery, unlike carbohydrate or carbohydrate-protein drinks.Carbohydrate-Protein drink is effective for restoring endurance capacity in masters class athletes after a two-Hour reco…
- In 12 male strength and power athletes, a single 120 ml dose of a high energy drink raised self-rated energy and focus and improved reaction performance compared with placebo, but did not change anaerobic power.Examination of a pre-exercise, high energy supplement on exercise performance.
- In 12 people exercising in the heat, sodium-potassium and potassium-rich drinks did not change fatigue, heat strain or performance compared with water.Comparing the Effects of Water, Sodium-Potassium, and Potassium-Rich Solutions on Fluid Balance and Thermal Strain Follo…
- In 11 men running at 70% of maximal effort, a carbohydrate-electrolyte drink in the first hour lengthened time to exhaustion compared with water, with the 5.5% drink significantly longer (124.5 vs 109.6 minutes).Influence of carbohydrate supplementation early in exercise on endurance running capacity.
- In 10 male runners who rehydrated with 1 liter of fluid containing betaine before hot-weather running, sprint time to exhaustion did not significantly improve, though there were non-significant trends toward longer sprints.Influence of betaine consumption on strenuous running and sprinting in a hot environment.
- In 9 male games players running intermittently in 30 degree heat, a 6.5% carbohydrate-electrolyte drink did not improve distance run or sprint performance compared with flavoured water or a taste placebo.The influence of a 6.5% carbohydrate-electrolyte solution on performance of prolonged intermittent high-intensity runnin…
- In 6 healthy men cycling in heat, drinking a large volume of a dilute carbohydrate-electrolyte drink extended time to exhaustion from about 71 minutes with no drink to about 118 minutes.The effects of substrate and fluid provision on thermoregulatory and metabolic responses to prolonged exercise in a hot …
- In trained cyclists, a sports drink with electrolytes and fructose plus maltodextrin, taken at about 1.2 g carbohydrate per kg per hour, shortened mountain-bike race time by about 1.8% compared with a glucose plus maltodextrin drink, and raised mean sprint power in lab trials.Composite versus single transportable carbohydrate solution enhances race and laboratory cycling performance.
- In 20 recreationally active adults, a sugar-free amino acid electrolyte drink did not change 5-kilometer run time versus a sports drink or water, but it kept blood potassium better and reduced post-exercise cramping.The effects of a sugar-free amino acid-containing electrolyte beverage on 5-kilometer performance, blood electrolytes, a…
- In 9 trained cyclists, electrolyte drinks with or without carbohydrate did not significantly extend time to fatigue at high intensity compared with a non-electrolyte placebo, although 7 of 9 rode longer.Fluid replacement drinks during high intensity exercise: effects on minimizing exercise-induced disturbances in homeosta…
- In 8 endurance-trained cyclists, a carbohydrate-protein drink with electrolytes after exhausting exercise stored 128% more muscle glycogen than a standard sports drink, and an earlier study found 55% longer time to exhaustion in a later ride.Effects of recovery beverages on glycogen restoration and endurance exercise performance.
Review Totals and Summary
Members Only312 reviews
Customer feedback and professional analyses of VPX Redline Xtreme Watermelon reveal several qualitative themes, primarily revolving around its potent energy delivery and distinctive flavor profile. A recurring positive theme is the supplement's ability to provide a rapid and intense energy boost. Users frequently report feeling focused and wide awake within 10-15 minutes of consumption, with the effects lasting for several hours, often exceeding five and sometimes up to seven hours. Many describe the energy as "nuts" and capable of "whipping your body and mind into shape". This sustained alertness and mental clarity are highly valued by those seeking to power through workouts or demanding tasks. However, the intensity of the product is a double-edged sword. While appreciated for its efficacy, the high stimulant content often leads to noticeable side effects. Jitters are a common complaint, particularly if the entire bottle is consumed quickly. Some users also report experiencing a crash after the energy wears off, necessitating further intake of food or other mild stimulants to counteract it. A normal, though sometimes unsettling, reaction mentioned is a tingling sensation of the skin. More extreme reactions, such as uncontrollable shaking, shivering, twitching, or even an unexpected feeling of laziness, have been noted by some individuals, alongside a unanimous agreement on an increased heart rate. The taste of the Watermelon flavor elicits mixed, yet vivid, reactions. Many find it reminiscent of a slightly sour watermelon Jolly Rancher, describing it as addictive with a crisp finish and a burst of sourness that complements the watermelon flavor. Some reviewers praise its surprising authenticity and clean start. Conversely, others detect an initial chemical note or an "odd creamy hint," with one particularly strong critique describing it as an "apothecary of supplements and artificial sweeteners and flavors in watermelon masks prancing around and urinating drunkenly on your tongue". This polarizing taste experience suggests that while some appreciate the unique flavor, others find the artificiality off-putting despite the lack of traditional sweeteners like corn syrup or sugar. The product's overall potency and the need for careful dosage assessment are frequently highlighted, underscoring that it is not suitable for casual energy drink consumers.
Biohacker Summary
Members Only10 of 10 recommend it
Our biohacker panel has not discussed this product’s ingredients yet.
RAL Summary
Members OnlyTier 4 for Energy
A small placebo-controlled trial of this kind of drink showed better self-rated energy, focus and reaction performance [1], but with no counted reviews it cannot rank above emerging.
This product itself was tested in a human study.
- Emerging: not enough evidence to rank higher yet.
Where the evidence disagrees: 7 of the 15 human studies found no effect.
More Details
Members OnlyBody systems · Combine with · Possible side effects
Body systems: Nervous system, Cardiovascular system, Muscular system
Combine with: To synergistically enhance the effects of Redline Xtreme, consider combining it with creatine monohydrate to support strength, power, and muscle growth, as it complements the endurance benefits of beta-alanine. Essential amino acids (EAAs) or branched-chain amino acids (BCAAs) can aid in muscle recovery and reduce muscle breakdown during intense workouts. Additionally, electrolytes like sodium, potassium, and magnesium can help maintain hydration and muscle function, especially given a med effect of caffeine. For further cognitive enhancement and focus, consider adding Alpha-GPC or Huperzine A.
Possible side effects: The studies reported no side effects. The review summary mentions jitters, a crash afterward, faster heart rate, skin tingling, and in some people shaking or twitching.
Supplement Facts
Electrolyte Matrix 0 · Proprietary Blend 657 mg
| Calories | 0 | |
| Sodium | 10 mg | |
| Electrolyte Matrix | 0 | † |
| Proprietary Blend | 657 mg | † |
Other ingredients: Highly purified Water, Citric Acid Anhydrous, Natural and Artificial flavors, Malic Acid, Sucralean brand Sucralose, Sodium Benzoate, Potassium Sorbate, Calcium Disodium EDTA.
Directions: Recommended Use: Shake well. Always begin use with one-quarter bottle (2 ounces) of Redline Xtreme daily to assess tolerance. Never exceed more than 4 ounces per serving or more than one bottle daily. Use the gauge on the bottle to find your ideal dose. Drink Half Bottle Only Drink Regulation Gauge
Barcode (UPC) 610764389091 · Label source: NIH label database · Report a label change
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Graded November 3, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.
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