MuscleTech Performance Series Nano Vapor Hardcore Pre-Workout Formula Sour Apple Review
MuscleTech Performance Series Nano Vapor Hardcore Pre-Workout Formula (Sour Apple) is a powdered, effervescent pre-workout supplement. A container holds 40 servings at 13 g per scoop, and the label lists no proprietary blends. MuscleTech sells it as a strength, energy, focus and pump formula, with a few extra ingredients for recovery. The label groups the ingredients into three complexes: Pump and Performance, Energy and Focus, and Cell Volumization and Growth. Pump and Performance Complex - L-Citrulline Malate: Per MuscleTech's marketing, the full 3-scoop serving provides 8 g. Citrulline raises nitric oxide production, which widens blood vessels. That improves blood flow, muscle pumps and contractions. - Beta-Alanine: The full serving provides 3.2 g. It raises muscle carnosine, which buffers hydrogen ions. This delays the burning sensation during a hard set and supports endurance. It can also cause harmless tingling (paresthesia). - Betaine (2.5 g): Betaine is an osmolyte and methyl donor. It is commonly linked to better power output and cell hydration. Energy and Focus Complex - Caffeine: A reviewer cites about 390 mg for 3 scoops, so roughly 130 mg per scoop. Caffeine blocks adenosine receptors in the brain, which raises alertness and perceived energy and lowers perceived effort. - Other stimulant and nootropic ingredients: These support focus. I did not confirm the exact list for this flavor. Cell Volumization and Growth Matrix - Creatine Monohydrate (5 g at the full serving): Creatine replenishes phosphocreatine, which helps regenerate ATP for short, intense efforts. It also draws water into muscle cells. Over time it supports strength and lean mass. - Quercetin (200 mg): This is a polyphenol antioxidant. It is included for recovery and vascular support. The remaining items are calcium and 0 g sugar. Servings and mixing The suggested serving is 1 to 3 scoops, depending on tolerance. The powder mixes well and fizzes slightly. Because dosing scales with scoops, only the 3-scoop serving delivers the full doses above. A 1-scoop serving delivers about one third of each dose. Quality and caveats SuppCo, a third-party analysis site, lists MuscleTech's brand trust score as 4.24/10. It does not list product-specific third-party testing certifications. The Sour Apple flavor is not detailed on most pages I found. Most of the review and label data comes from the Blue Raspberry and Fruit Punch versions, so check the label of your own tub.
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Study, Trial or Testing Result Summary
Members OnlyHuman studies
We could not find any study findings for this product's ingredients. The label for this pre-workout is not available, so we cannot say which ingredients it contains, how much of each is in a serving, or whether any are hidden in a blend. Without the ingredient list, we cannot compare the doses with those used in research, and no human studies on energy were matched to it. The few buyer comments we found are mostly positive about energy, focus and pump during workouts, but the store did not give a review count. One buyer felt no effect at all. Until the full label is available and studies can be matched to its ingredients, treat any energy claims as unproven. Animal and cell studies are never counted.
Review Totals and Summary
Members Only8 reviews
Buyers are mostly positive about this pre-workout, praising its energy, focus and pump, though one person felt nothing from it. The feedback is thin, so treat the picture as tentative. **What buyers say it did for them:** Most describe a clear boost during training. One writes of "Good energy + good focus + good pump = awesome workout." Another reports "Much strength and disposition," and a long-time lifter says it lets them "just work and do not get tired." A Portuguese-language review calls the product extremely good and recommends it, without giving details. **What they complain about:** The one negative review says it simply did not work: "I did not feel force during Exercise." No other complaints appear, and none mention side effects, crashes or problems with the formula. That said, the sample is small, so a lack of complaints does not prove much. **Taste, smell, pill size or form:** Taste is mentioned only once, and favorably: "pleasant taste." Nothing is said about smell, mixing, texture or the form of the product, so there is little to go on for the Sour Apple flavor beyond that single comment. **Value for money:** No review comments on price or on how long a container lasts, so there is nothing here to say whether it is good value. **Who it seems to suit and who it did not:** It appears to suit people who want a noticeable lift in energy, focus and pump for workouts. One experienced lifter, with seven years of training, rates it above other pre-workouts they have tried. The same reviewer says it "does not increase pressure and does not excite the psyche like the others," which may appeal to people who find stronger stimulant products too intense. That is one person's experience, not a guarantee. It did not suit the buyer who felt no effect at all, so results may vary from person to person.
Biohacker Summary
Members Only9 of 10 recommend it
The product has no main ingredient listed in the panel's statements, so the panel speaks only about three smaller ingredients, and vitamin C draws by far the most attention. Vitamin C is covered by nearly everyone: most of the panel recommend or use it, mainly for collagen and joint support (often taken with collagen), skin repair, and immune health, and one takes an extra gram a day. Cautions are that high doses might blunt the benefits of exercise, one panelist stopped a vitamin C skin serum because of its smell, and one warns against generic multivitamins full of fillers. Calcium, a smaller ingredient in this product, is recommended by two of them for bone health, at 1,000 to 1,200 milligrams a day from carbonate or citrate in one case, while one warns against calcium supplements and prefers dairy. Vitamin B12, also a smaller ingredient in this product, is recommended by one for mood in a liposomal methylcobalamin form, and others note that a deficiency can cause fatigue.
See all 10 biohackers →Hide the biohackers
Dr. Eric Berg · Vitamin B12 · neutral
- Mentions that one can of sardines provides 348% of the daily Vitamin B12.
- States that one can of sardines contains 382 mg of calcium.
- Dr. Berg states that when nutrients like vitamin B12 are too low, fatigue and weakness can follow.
- Warns against calcium supplements, citing studies that link them to a higher risk of heart attack, especially in postmenopausal women, and suggests getting calcium from dairy instead.
- Warns against generic multivitamins, stating they are often full of fillers and synthetics.
- Recommends focusing on calcium to support stronger bones if a neck hump is associated with osteoporosis.
- Mentions that bleeding or swollen gums point to vitamin C deficiency, and sugar competes with it directly, reducing absorption.
- States that vitamin B6 is needed to absorb magnesium.
- Warns against calcium carbonate, calling it limestone and the worst source of calcium, stating it takes 12 steps to be converted in the body and is like eating rocks.
- Mentions that lemon is loaded with vitamin C, and when combined with coffee, vitamin C significantly increases the bioavailability of antioxidants in the coffee.
- Warns that bone loss cannot be fixed with just calcium, as bone is primarily collagen with other essential minerals.
- Dr. Berg states that Vitamin C helps fight biofilms and is essential for making collagen in gums, teeth, and capillaries.
- Recommends Vitamin C as a cofactor, especially for collagen.
- States that high doses of vitamin C, like 2 to 4 grams, can greatly reduce inflammation and support the immune system.
Thomas DeLauer · Vitamin C · recommends
- Recommends whole food vitamin C, found in kiwi fruit, citrus, and bell peppers, to help clear uric acid by competing at kidney transporters, preventing reabsorption.
- Recommends taking vitamin C along with collagen about an hour before a workout for connective tissue benefits.
- Uses vitamin C as part of their immunity duo, stating it is important for boosting the immune system, especially during cold and flu season.
- Recommends Vitamin B12 for mental health and mood, explaining its role in myelination and neurotransmitter production. They specifically recommend a liposomal and micellar form of methylcobalamin B12 for better absorption and to avoid toxicity.
- Recommends consuming vitamin C to aid in NADPH recycling, which is necessary for glutathione to be reused after neutralizing oxidative stress.
- Takes Purity's liquid liposomal vitamin C for immune support and overall wellness, finding it easy to add to water, juice, or take straight up due to its good taste.
- Compares the Vitamin C content of oranges (53mg) to guava (228mg), noting guava has 4x more.
- Notes that milk contains 120mg of calcium, while sardines contain 351mg, highlighting a 3x difference.
- States that collagen synthesis is vitamin C dependent, in the context of glowing skin.
- Recommends Vitamin C for sleep, noting that intake in the range of 125 to 200 mg per day is associated with a lower risk of sleep disorders and sleep apnea, with the benefit plateauing beyond this range.
- Recommends consuming a little bit of vitamin C, such as a couple of berries or kiwi, along with flavanol-rich cocoa to help the delicate flavanols hold up and prevent oxidation in the gut.
- Recommends getting calcium, along with vitamin D, zinc, and magnesium, from foods like sardines, as they are important for inflammatory pathways in the gut.
- Explains that vitamin C improves the ability of neutrophils to engulf bacterial infections, and that they have a greater ability to engulf larger infections.
- Mentions that a single serving of sardines provides vitamin B12 at something like three to four times the daily needs.
Dave Asprey · Vitamin C · neutral
- Recounts a doctor telling him in his 20s that vitamin C would kill him.
- Recommends taking vitamin C for better skin health.
- States that currently, he is only taking vitamin C and vitamin D.
- Dave Asprey reflects on how new research clarifies the mechanism behind IV vitamin C's anti-cancer effect, vindicating a decades-old idea that was dismissed for the wrong reasons.
- Notes that plain Vitamin C isn't enough and that most people never think to check for a specific ingredient that makes it work.
- Dave Asprey recommends taking maybe a gram of vitamin C a day in divided doses, noting that plasma levels peak around 250 milligrams twice a day.
- Recommends Qualia Vitamin C Plus, highlighting its combination of seven forms of vitamin C with 250 mg of citrus bioflavonoids, which helps with absorption and use for building collagen and a strong immune system.
- Warns that taking too much vitamin C can raise oxalate levels, emphasizing that everything has risk and reward.
- States that Vitamin B12 is extremely important for every kind of brain function and recommends ensuring B12 levels are optimal, around 500, not just barely above normal.
- Notes that when energy intake is too low for training demand, nutrient intake often falls short, especially for calcium, which is associated with reduced bone health.
- Recommends Vitamin C as the real biological fix for deep focus issues, explaining how the brain hoards it at levels 100 times higher than blood and how to bypass the blood-brain barrier.
- Explains that calcium provides the raw material for bones, but it isn't a standalone input and needs a whole system to be effective.
- Notes that people take calcium for their bones.
- States that Ensure is like SlimFast but worse, and that its ingredients, including synthetic vitamins, guar gum, maltodextrin, high fructose corn syrup, and seed oils, are disgusting and should not be given to sick or well people.
Ben Greenfield · Vitamin C · recommends
- States that vitamin C is extremely important for collagen turnover and cites orthopedic data showing that 500 mg to 1 g of vitamin C can reduce the rate of complex regional pain in total knee replacements and wrist fractures.
- Mentions vitamin C as part of a bare-minimum protocol.
- Notes that while vitamin C has significant value, the optimal dose is a vexed question, and high doses might not always be beneficial, potentially blunting the hormetic effects of exercise.
- Notes that IV vitamin C has been used for decades for cancer patients with almost no standardization and that he receives many questions about its effectiveness and combination with chemo.
- Recommends Vitamin C for skin repair post-tattoo.
- Recommends getting vitamin B12 tested and supplementing if deficient, as B12 deficiency can cause damage to the myelin coating around nerves, including cochlear nerves, and improve tinnitus severity scores.
- Is considering whether he needs a calcium supplement because lead can displace calcium in bones, affecting bone strength.
- Mentions calcium as a common deficiency.
- Recommends adequate intake of calcium for bone strength.
- Does not agree that ascorbic acid is vitamin C, comparing it to calling chaff wheat, and notes that it is made from genetically modified cornstarch or corn syrup byproducts using solvents.
- Is using calcium chloride mixed with PRP before injecting for the P-shot.
- Warns against ascorbic acid, stating that it does not cure scurvy and that the world has been led astray by the deception around it versus the whole food vitamin C complex.
- Advises people to stop taking calcium supplements as part of the Root Cause Protocol.
- Warns against taking 1,000 mg of vitamin C immediately after a workout for individuals under 50, as it can dull the body's natural adaptation signal.
Siim Land · Vitamin C · recommends
- Recommends taking vitamin C with collagen to support joint collagen synthesis.
- States that vitamin C is needed for initiating collagen synthesis and that higher vitamin C intake appears to increase vitamin C content in the skin.
- Lists sauerkraut and fruit as sources of Vitamin C.
- Lists dairy and sardines as sources of Calcium.
- Notes that Vitamin C is one of several supplements with human evidence.
- Notes that Boron reduces calcium/magnesium loss.
- Notes that researchers found vitamin C alleviates ferro-aging, a process of iron overload and lipid peroxidation that drives aging, and that it directly inhibited ACSL4, a protein driving ferro-aging.
- States that Vitamin C has a central role in aging and longevity, and that in monkeys, oral vitamin C slowed ovarian aging during a 3.3-year study.
- States that vitamin C is one of the most important vitamins for staying healthy and aging well, and that intakes of 200 to 400 mg a day from food or supplements largely saturates plasma and neutrophils in most healthy adults. He also recommends spreading out the vitamin C across the day to avoid oversaturation.
- Mentions vitamin C in comparison to topical melatonin for oxidative defense, stating that melatonin would compete but is not as broadly validated clinically.
- Was found to be vitamin C deficient by True Health and Mayo Clinic tests, and now addresses this by eating one extra kiwi fruit daily.
- States that the biggest evidence for multivitamin is that it improves cognition and enhances episodic memory in elderly people, who tend to have worse diets and are more likely to be deficient.
- Created Microvitamin, a supplement that bundled all the supplements he was taking, to help fund his a med trial.
- States that vitamin B12 deficiency is the most common reason for premature graying of hair and recommends fixing B12 status if it is deficient, as it gives a greater likelihood of reversing gray hair.
Dr. Mark Hyman · Vitamin C · recommends
- Recommends vitamin C as a basic supplement during detoxification to help with inflammation and detoxification.
- Dr. Hyman mentions vitamin C as an advanced therapy for skin repair.
- Mentions topical vitamin C as an antioxidant that can help skin with aging.
- Mentions that what they do when a cold comes on is not just vitamin C.
- Recommends ensuring adequate vitamin C intake on a regular basis for immune support, stating it's important for healthy immune function despite mixed data on its effectiveness for colds.
- Mentions that vitamin C was the very first vitamin discovered, isolated, and synthesized in 1932, and its deficiency caused scurvy.
- Recommends nutrient-dense foods rich in vitamin C, such as guavas and parsley, to reduce inflammation.
- Used intravenous vitamin C cocktails to help him detoxify and recover from chronic fatigue.
- Optimized a child's nutrient status with vitamin B6, as the child had low B6 levels.
- Notes that calcium is in bones but is also essential for nerves, muscles, and the heart, and low levels can affect muscle function and heart rhythm.
- Recommends vitamin C for immune system support and modulation.
- Relies on Big Bold Health's HTB Immune Energy Chews, which deliver 1000mg of sprouted Himalayan tardy buckwheat, along with vitamin C, D, magnesium, and zinc, to support immune balance, resilience, energy, and focus.
- States that vitamin B12 is a nutritional deficiency that impacts mental health.
- Recommends vitamin B6 with folate and B12 as supplements with strong evidence for PMS.
Dr. Rhonda Patrick · Vitamin C · neutral
- Lutein and zeaxanthin can also be obtained from certain multivitamins.
- Mentions that kale delivers calcium, a micronutrient many diets fall short on.
- Recommends nutrients like vitamin C for men to prioritize sperm mitochondrial health.
- Dr. Rhonda Patrick's daughter chugs an Emergency fizzy drink in the morning to ensure she gets some vitamin C and micronutrients before school.
- Choosing a multivitamin that includes lutein and zeaxanthin ensures you get meaningful amounts every day.
- Notes that ~35% of Americans are low in vitamin C.
- Notes additional gaps in calcium.
- Recommends increasing vitamin C intake if concerned about skin aging, noting it is an essential cofactor for collagen synthesis.
- Warns that Vitamin B12 enhances light's melatonin-suppressing effects and should be avoided too close to bedtime.
- Suggests avoiding a multivitamin if it contains biotin before a testosterone blood test to prevent confounding results.
- Multiple randomized controlled trials show older adults taking a standard multivitamin (like Centrum Silver) had measurable improvements in processing speed, cognition, and episodic memory.
- Currently takes the Pure Encapsulations O.N.E Multivitamin.
- Rhonda's current supplement routine includes Vitamin C.
- Reports that alcohol use disorder is associated with a 20-50% greater prevalence of Calcium deficiency.
Andrew Huberman · Vitamin C · uses
- Takes a multivitamin every day for longevity.
- Recommends AG1, a vitamin, mineral, and probiotic drink, and notes that for a limited time, a subscription comes with additional supplements.
- States that a deficiency in vitamin B12 can be terrible and lead to chronic fatigue-like syndromes, as many parts of mitochondria require B vitamins.
- Takes an extra gram of vitamin C a day for its effects on immunity and potential synergy with collagen.
- Found the Met RX Big 100 Bar to be 'magic' on the trail because it's a hunk of calories with protein and fortified with vitamins and minerals, despite being something they would never eat in normal life.
- Started taking AG1 in 2012 and still takes it every single day to ensure he meets his quota for daily vitamins and minerals and to support gut health, which is critical for proper brain function, immune system, and neurotransmitter production.
- Has been taking AG1 daily since 2012 because it is the highest quality and most complete foundational nutritional supplement, ensuring he gets all necessary vitamins, minerals, and micronutrients for daily health.
- Has been drinking AG1 since 2012, finding it difficult to get enough vitamins, minerals, micronutrients, and adaptogens from diet alone. He finds that taking AG1 daily improves all aspects of his health, including physical and mental health, performance, recovery from exercise, and immune system strength, and also notices more mental clarity and energy.
- Recommends AG1 as the highest quality and most complete foundational nutritional supplement, containing vitamins, minerals, probiotics, prebiotics, and adaptogens to cover dietary gaps and support a demanding life.
- Recommends taking methyl B12 as part of methylated B vitamins to lower homocysteine levels and reduce cardiovascular risk.
- States that AG1 is the highest quality and most complete foundational nutritional supplement available, containing vitamins, minerals, probiotics, prebiotics, and adaptogens, and that he has been taking it daily since 2012, often twice a day, to bolster his energy, immune system, and gut microbiome.
- Huberman mentions that vitamin C seems to help with the absorption or utilization of collagen protein.
- Has been taking AG1 for over 10 years, once and often twice every day, to ensure he gets all necessary vitamins, minerals, probiotics, and adaptogens, considering it a nutritional insurance policy.
- Does not supplement B6 due to evidence that overs-supplementing vitamin B, especially B6, is problematic because of peripheral nerve damage.
Peter Attia · Calcium · recommends
- Recommends calcium as one of the 'big three' micronutrients for bone health, suggesting a daily intake of 1,000 to 1,200 milligrams, which can be supplemented with calcium carbonate or calcium citrate.
- Explains that bone is 50 to 70% mineral, predominantly calcium, and that virtually all of the body's calcium is contained within bone, making bone important for calcium homeostasis.
- Recommends vitamin C as an important molecule for skin, noting its role as a precursor for collagen synthesis, a powerful antioxidant, and a regulator of complexion for even skin tone.
- Tried a vitamin C serum mixed with ferulic acid but stopped using it because she hated the smell. She notes that topical application of vitamin C far exceeds the levels achievable by ingestion for skin benefits.
- Recommends calcium for bone health, stating that teenagers probably need about 1000 milligrams a day.
- Discusses bone acting as a reservoir for calcium and how resorption and formation release calcium into the blood when needed.
- Notes that deficiencies in certain vitamins and minerals, such as B12, can be a cause of hair loss in women.
- States that vitamin C deficiency is associated with an elevated risk of cataract, but supplementation to supranormal levels has not been shown to protect against cataract formation.
- Mentions the elimination of scurvy through the work of James Lind and the eventual understanding that it was due to vitamin C, initially thought to be just citrus.
- Notes that bone is 50 to 70 percent mineral, with calcium being the predominant mineral, and virtually all of the body's calcium is contained within bone.
- Notes that while vitamin C deficiency is associated with an elevated risk of cataract, supplementation to supranormal levels has been conclusively shown not to protect against cataract formation.
- Mentions that a survey of doctors showed they recommend Vitamin C for COVID-19, but notes there is no real evidence behind it.
- Recommends getting about a gram of calcium a day from organic bone meal, which provides calcium hydroxyapatite, the form humans are meant to consume.
- Expresses skepticism about 'panacea treatments' for cancer, specifically mentioning a 'twenty thousand dollars of vitamin C' treatment, implying it's an example of something he's 'squirrely' about due to cost and unproven claims.
Bryan Johnson · Vitamin B12 · uses
- States that Blueprint essential capsules and soft gels are packed with key vitamins and minerals needed for strong bone health.
- Recommends calcium as a mineral that, along with phosphorus, magnesium, and boron, is deposited to fortify the bone structure after the collagen scaffold is in place.
- Agrees that a little extra calcium is probably okay, especially for women, to really hit home for bone mineral density.
- Uses Vitamin C as an example of how it would be great if people knew that when they took it, it had a measurable amount and wasn't polluted, which is what Brian ensures with his products.
- Applies vitamin C after showering.
- Takes 250 milligrams of Vitamin C.
- Recommends calcium at 1,200 mg daily for women during the follicular phase, depending on dietary intake.
- Recommends prioritizing calcium intake for postmenopausal women to help maintain bone density and reduce the risk of osteoporosis.
- Bryan Johnson takes Calcium daily as part of his Longevity Mix, which supports healthy bones and teeth.
- Recommends Vitamin C for skin health, noting it's good to pair with collagen peptides and is included in the Blueprint stack.
- Bryan Johnson takes Vitamin C daily as part of his Longevity Mix, which is an antioxidant-rich essential vitamin that supports immune function and metabolic energy.
- He uses Vitamin C, typically in a serum, in the morning for skin health.
RAL Summary
Members OnlyTier 4 for Energy
Tier 4 fits: no ingredient list or human studies for energy were given, and there is no counted body of reviews, so the evidence is thin.
- Emerging: not enough evidence to rank higher yet.
- No human studies on this goal for its ingredients.
More Details
Members OnlyBody systems · Combine with · Possible side effects
Body systems: Nervous system, Muscular system
Combine with: For its intended purpose (energy and workout performance), this product pairs well with creatine monohydrate for strength and power, citrulline malate for pump and blood flow, and electrolytes (sodium, potassium, magnesium) for hydration. L-theanine can smooth out caffeine jitters, and taking it with a light meal may reduce stomach irritation. For heartburn relief, use a separate, appropriate product such as calcium carbonate antacids, alginate formulas, or famotidine, and avoid taking pre-workout stimulants on an empty stomach or close to when symptoms occur. Consult a healthcare provider if heartburn is frequent or persistent.
Possible side effects: No major side effects reported. One buyer said it did not raise their blood pressure or overstimulate them the way other pre-workouts did.
Supplement Facts
Total Carbohydrates 9 g · Vitamin C 200 mg · Vitamin B6 1.17 mg
| Calories | 130 | |
| Total Carbohydrates | 9 g | |
| Vitamin C | 200 mg | |
| Vitamin B6 | 1.17 mg | |
| Vitamin B12 | 3.6 mcg | |
| Calcium | 360 mg | |
| Pump and Performance Complex | 0 | † |
| Cell Volumization and Growth Matrix | 0 | † |
| Energy And Focus Complex | 0 | † |
Other ingredients: Maltodextrin, Natural and Artificial flavors, Calcium Carbonate, Acesulfame-Potassium, Sucralose, Silicon Dioxide, FD&C BLUE NO. 1 LAKE, FD&C Blue No. 2.
Directions: DIRECTIONS: This is an extremely strong product. Please read the entire directions before consuming, and follow the tolerance assessment protocol. Assess your tolerance first by mixing 1 serving (1 scoop) with 4 oz. of cold water and drinking it about 30 minutes before your daily workout. Then increase the dosage to 2 and then 3 servings mixed with 8 to 12 oz. of cold water before working out. Do not exceed 3 servings (3 scoops) in a 24-hour period. Maintain an adequate state of hydration during use.
Barcode (UPC) 631656703801 · Label source: NIH label database · Report a label change
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Graded November 10, 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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