$34.99 $1.16 per serving
Product analysis
Nitrosurge Shred Black Cherry may help you feel more alert and support exercise performance, mainly through caffeine. The forms of most ingredients are not specified, which makes their quality harder to compare.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality23
Most ingredient forms are not specified, so their quality cannot be judged confidently. The named carnitine form provides clearer identification but does not establish an advantage in absorption.
Ingredient Transparency68
All ingredient amounts are stated, so you can see how much a serving provides. Most forms are not identified, which limits comparisons between formulas.
Value For Money40
Value is mixed, with a relatively high cost for the amount of theanine provided. Theobromine offers a more reasonable price comparison, while several other ingredients lack enough information for a firm judgment.
Customer Satisfaction73
Customer ratings are very positive, though the number of ratings is modest. That gives an encouraging but limited picture of satisfaction.
Product Focus72
The clearest purpose is short-term alertness and exercise support from caffeine. The broader muscle-gain and weight-loss aims have more limited support.
- Format
Powder - Container
- 7 Ounce(s)
- Per serving
- $1.16
- Customer rating
- 4.8 · 52 ratings
Goals
Impact
Highest effect
Acetyl L-Carnitine · 1 Gram(s)Caffeine · 180 mg
Beta-Alanine Not classified
No linked studies yet.
Theanine Not classified
No linked studies yet.
Impact
Highest effect
Acetyl L-Carnitine · 1 Gram(s)Theanine · 90 mgCaffeine · 180 mg
Theobromine Not classified
No linked studies yet.
Impact
Moderate effect
Caffeine · 180 mg
Acetyl L-Carnitine Not classified
No linked studies yet.
Theanine Not classified
No linked studies yet.
Impact
High effect
Acetyl L-Carnitine · 1 Gram(s)Caffeine · 180 mg
Impact
High effect
Citrulline · 2 Gram(s)Beta-Alanine · 1.6 Gram(s)Caffeine · 180 mg
Beta-Alanine Not classified
No linked studies yet.
Impact
High effect
Acetyl L-Carnitine · 1 Gram(s)Acetyl L-Carnitine · 1 Gram(s)Theanine · 90 mgCaffeine · 180 mg
Impact
High effect
Caffeine · 180 mgCitrulline · 2 Gram(s)Beta-Alanine · 1.6 Gram(s)
Beta-Alanine Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
L-Citrulline | 2 Gram(s) | |
Beta-Alanine | 1.6 Gram(s) | |
Acetyl-L-Carnitine (Acetyl-L-Carnitine HCl) | 1 Gram(s) | |
Caffeine Anhydrous | 180 mg | |
L-Theanine | 90 mg | |
Theobromine | 50 mg | |
Bioperine Black Pepper fruit extract | 2.5 mg |
Theobromine · 50 mg OverallScore76
The selected serving contains 50 mg of theobromine. The cost per serving is moderate. The theobromine amount is specified, though its source and form are unclear. The other ingredients include an artificial additive or hydrogenated oil, but the available details do not name it.
How this ingredient is rated
Active Ingredient Quality & Bioavailability79
The theobromine amount is specified, though its source and form are unclear. The other ingredients include an artificial additive or hydrogenated oil, but the available details do not name it.
Theobromine Purity and Standardization
The theobromine amount is specified, though its source and form are unclear.
Excipient Profile and Clean Label
The other ingredients include an artificial additive or hydrogenated oil, but the available details do not name it.
Dose, Safety & Label Transparency82
The selected serving contains 50 mg of theobromine.
Theobromine Dosage Efficacy and Safety
The selected serving contains 50 mg of theobromine.
Labeling Transparency and Disclosure
The selected serving contains 50 mg of theobromine.
Value60
The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
Caffeine · 180 mg OverallScore64
Each serving provides 180 mg of caffeine per serving at a high cost per serving. No other listed stimulants were found. The caffeine source is unclear.
How this ingredient is rated
Active Ingredient Quality & Bioavailability40
The caffeine source and release details are unclear in the available information.
Advanced Bioavailability and Release Profiles
The caffeine source and release details are unclear in the available information.
Dose, Safety & Label Transparency100
The serving declares 180 mg of caffeine. No other listed stimulants were found.
Caffeine Dose Transparency
The total caffeine amount is stated as 180 mg per serving.
Dosage Efficacy and Safety Margin
Each serving provides 180 mg of caffeine.
Secondary Stimulant Disclosure and Risk
No other listed stimulants were found.
Value40
The cost per serving is high.
Price Per Serving vs. Collection Median
The cost per serving is high.
Theanine · 90 mg OverallScore70
The serving provides 90 mg of L-Theanine, with a very high cost per 100 mg. The amount may provide mild support. Specific purity or independent testing details are unclear.
How this ingredient is rated
Active Ingredient Quality & Bioavailability80
The form is L-Theanine, the form associated with calming and focus. Specific purity or independent testing details are unclear.
Isomer Specificity (L-Theanine)
The form is L-Theanine, the form associated with calming and focus.
Branded Forms & Purity Standards
Specific purity or independent testing details are unclear.
Dose, Safety & Label Transparency86
The amount is clearly stated. 90 mg per serving is a mild amount that may suit a multi-ingredient blend.
Theanine Dosage Efficacy
90 mg per serving is a mild amount that may suit a multi-ingredient blend.
Label Transparency & Blends
The label states 90 mg of L-Theanine per serving.
Value20
The cost per 100 mg of theanine is very high.
Price per 100mg L-Theanine
The cost per 100 mg of theanine is very high.
Alternative products
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Oral acetyl-L-carnitine therapy reduces fatigue in overt hepatic encephalopathy: a randomized, double-blind, placebo-controlled study.
- The supplementation of acetyl-L-carnitine decreases fatigue and increases quality of life in patients with hepatitis C treated with pegylated interferon-α 2b plus ribavirin.
- Acetyl-L-carnitine reduces depression and improves quality of life in patients with minimal hepatic encephalopathy.
- A prospective study to evaluate the efficacy and safety of oral acetyl-L-carnitine for the treatment of chemotherapy-induced peripheral neuropathy.
- Metabolomic biomarkers for (R, S)-ketamine and (S)-ketamine in treatment-resistant depression and healthy controls: A systematic review.
- Cognitive and mood improvements of caffeine in habitual consumers and habitual non-consumers of caffeine.
- Caffeine-containing energy drink improves physical performance of elite rugby players during a simulated match.
- Differential cognitive effects of energy drink ingredients: caffeine, taurine, and glucose.
- Does Single or Combined Caffeine and Taurine Supplementation Improve Athletic and Cognitive Performance without Affecting Fatigue Level in Elite Boxers? A Double-Blind, Placebo-Controlled Study.
- Trait Energy and Fatigue Modify the Effects of Caffeine on Mood, Cognitive and Fine-Motor Task Performance: A Post-Hoc Study.
- Acute Effect of Citrulline Malate on Repetition Performance During Strength Training: A Systematic Review and Meta-Analysis.
- Oral L-citrulline supplementation enhances cycling time trial performance in healthy trained men: Double-blind randomized placebo-controlled 2-way crossover study.
- Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness.
- Citrulline/malate promotes aerobic energy production in human exercising muscle.
- The Effect of Citrulline Malate Supplementation on Muscle Fatigue Among Healthy Participants.
- Sleep symptoms associated with intake of specific dietary nutrients.
- Effect of caffeine ingestion on cycling performance: a systematic review and meta-analysis.
- Effects of Caffeine Intake on Endurance Running Performance and Time to Exhaustion: A Systematic Review and Meta-Analysis.
- Acute Effects of Caffeine Supplementation on Movement Velocity in Resistance Exercise: A Systematic Review and Meta-analysis.
- Sex Differences in the Ergogenic Response of Acute Caffeine Intake on Muscular Strength, Power and Endurance Performance in Resistance-Trained Individuals: A Randomized Controlled Trial.