The Original Italian Blood Orange

The Original Italian Blood Orange

XTEND4.7 (14,453 ratings)
Format:Powder Quantity: 1 kg · 30 servings
Goals
$57.94 $1.93 per serving

Product analysis

42 out of 100

The Original Italian Blood Orange provides a flavored mix of protein building blocks aimed at workouts, though expected performance benefits remain uncertain. It is expensive for several of the amino acids supplied.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality23

Most preparations are unspecified, limiting useful quality comparisons. The potassium mixture’s proportions and the blend’s components are also unclear.

Ingredient Transparency44

Most amounts are stated, while carbohydrate and a label heading lack clear amounts. Nearly all forms and the blend’s composition are omitted, preventing a complete comparison.

Value For Money41

Several amino acids are expensive for the amounts supplied, weakening the formula’s value. Potassium compares more favorably, while sodium has a moderate serving cost.

Customer Satisfaction90

Customer ratings are very positive across a large number of responses. The broad feedback base describes satisfaction without proving improved workout performance.

Product Focus35

The main purpose is workout-related support, but the citrulline amount offers limited grounds for expecting extra performance. Vitamin B6 may help tiredness when intake is low, while the unidentified blend prevents a full account of the actives.

Format
Powder
Container
1 kg
Per serving
$1.93
Customer rating
4.7 · 14,453 ratings
Report analysis

Goals

Impact
High effect
B+ Ingredient FitF PathwaysC EvidenceA+ Formulation Logic
Potassium · 180 mg

Citrulline has limited support for high-intensity strength-endurance performance, chiefly with particular citrulline-malate regimens. The 1000 mg serving does not establish a match to those larger studied exposures or imply improved daily vitality. B6 can contribute when low intake causes fatigue, while the supplied potassium and isolated amino-acid facts do not establish an additional routine energy effect.

How this product is rated for Energy

Ingredient fit81

Citrulline and the accompanying nutrients have a relevant nutritional or fatigue-related connection, but the amount comparison cannot establish clinical benefit.
Goal fit
Citrulline and the accompanying nutrients provide the relevant connection, while the product's wider purposes affect its focus on energy.
Dose adequacy
The ingredients contribute unevenly to the saved amount finding; 1000 mg citrulline does not reproduce the main studied strength-endurance exposures.

Pathways8

The saved findings record a small muscle-energy contribution, without establishing general daily energy improvement.
Depth
The saved findings record a small muscle-energy contribution, without establishing general daily energy improvement.
Breadth
The small muscle-energy contribution does not meet the saved coverage threshold; no broader energy pathways are covered.

Evidence60

Potassium leads the saved evidence finding, but the supplied context does not establish routine energy benefit from its declared amount.
Evidence strength
Potassium leads the saved evidence finding, but the supplied context does not establish routine energy benefit from its declared amount.
Studied preparation
The preparation finding is limited; generic citrulline cannot automatically be treated as the citrulline-malate preparations used in strength-endurance trials.

Formulation logic100

The included ingredients require no additional partner in the saved findings, and no matching conflict was identified. Their minimum amount check is satisfied.
Partner coverage
No additional partner is required for the included ingredients under the saved findings.
Conflicts
No matching conflict was identified by the supplied checks.
Effective doses
All ingredients included in this check meet its minimum amount threshold; that finding does not prove routine fatigue relief.
Study evidence
Potassium Supportive 2 studies
Valine Not classified

No linked studies yet.

Ingredients

IngredientAmount per servingScore
Calories
0 Calorie(s)
Total Carbohydrates
0 Gram(s)
Vitamin B6 (Pyridoxine Hydrochloride)
640 mcg
Sodium
220 mg 53
Potassium
180 mg 45
L-Leucine
3500 mg 72
L-Glutamine
2500 mg 59
L-Isoleucine
1750 mg 75
L-Valine
1750 mg 76
Electrolyte Blend
1140 mg
Citrulline Malate
1000 mg
Adults 18–50 Sugar Free Women
Report overview
Valine · 1750 mg OverallScore76
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
Each serving provides 1,750 mg of L-valine. The whole-product cost works out to about $1.10 per gram of valine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability86

The ingredient is identified as L-valine. The saved facts indicate a general quality claim but no sport-specific certification.
Valine Isomer and Source Type
The ingredient is identified as L-valine.
Third-Party Sport Certifications
The saved facts indicate a general testing or manufacturing quality claim, but do not identify a sport-specific certification.

Dose, Safety & Label Transparency100

The serving individually discloses 1,750 mg of valine, a relatively substantial amount.
Valine Dosage Efficacy
The serving provides 1,750 mg of valine, a relatively substantial amount.
Label Transparency and Proprietary Blends
The valine amount is individually disclosed as 1,750 mg per serving.

Value10

Based on whole-product servings, the cost works out to about $1.10 per gram of valine.
Price Per Gram of Valine
Based on whole-product servings, the cost works out to about $1.10 per gram of valine.
Isoleucine · 1750 mg OverallScore75
A- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value
A serving provides 1,750 mg of free-form L-isoleucine, a larger amount in this comparison. A general third-party testing claim is recorded, and a whole-product serving costs about $1.93.
How this ingredient is rated

Active Ingredient Quality & Bioavailability86

The isoleucine is in free form; a fermented or plant-based source is not recorded.
Free-Form vs. Protein-Bound
L-isoleucine is an isolated, free-form amino acid, which does not need protein digestion before absorption.
Sourcing and Purity Signals
No fermented or plant-based sourcing claim is recorded in the saved facts.

Dose, Safety & Label Transparency92

The serving contains 1,750 mg of isoleucine. A general third-party testing claim is recorded.
Isoleucine Potency per Serving
A serving provides 1,750 mg of isoleucine, a larger amount in this comparison.
Label Transparency & Blend Disclosure
The individual isoleucine amount is disclosed as 1,750 mg per serving.
Third-Party Safety & Sport Testing
A general third-party testing claim is recorded; sport-specific certification is not recorded.

Value20

A whole-product serving costs about $1.93.
Price per Serving Efficiency
A whole-product serving costs about $1.93.
Leucine · 3500 mg OverallScore72
B- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
Each serving provides 3,500 mg of L-leucine. The amount is associated with stimulating muscle protein synthesis in the evaluation.
How this ingredient is rated

Active Ingredient Quality & Bioavailability70

L-leucine is identified; further source details are not established in the saved facts.
Isomer Purity and Sourcing
L-leucine is identified; further source details are not established in the saved facts.

Dose, Safety & Label Transparency100

The leucine amount is individually recorded at 3,500 mg per serving. The amount is associated with stimulating muscle protein synthesis in the evaluation.
Muscle Protein Synthesis (MPS) Dosage
The 3,500 mg per serving is an amount the evaluation associates with stimulating muscle protein synthesis.
Dosage Transparency
The saved facts provide a specific leucine amount of 3,500 mg per serving.

Value20

The recorded whole-product serving price corresponds to about $0.55 per gram of leucine.
Price per Gram of Active Leucine
The recorded whole-product serving price corresponds to about $0.55 per gram of leucine.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Acute Effect of Citrulline Malate on Repetition Performance During Strength Training: A Systematic Review and Meta-Analysis.
    Vårvik FT; Bjørnsen T; Gonzalez AM · International journal of sport nutrition and exercise metabolism · 2021
    Meta-analysis137 participants8 studies pooledEnergy forCitrulline
  2. Oral L-citrulline supplementation enhances cycling time trial performance in healthy trained men: Double-blind randomized placebo-controlled 2-way crossover study.
    Suzuki T; Morita M; Kobayashi Y; Kamimura A · Journal of the International Society of Sports Nutrition · 2016
    Randomized trial22 participantsEnergy forCitrulline
  3. Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness.
    Pérez-Guisado J; Jakeman PM · Journal of strength and conditioning research · 2010
    Randomized trial41 participantsEnergy forCitrulline
  4. Citrulline/malate promotes aerobic energy production in human exercising muscle.
    Bendahan D; Mattei JP; Ghattas B; Confort-Gouny S; Le Guern ME; Cozzone PJ · British journal of sports medicine · 2002
    Single-arm trial18 participantsEnergy forCitrulline
  5. The Effect of Citrulline Malate Supplementation on Muscle Fatigue Among Healthy Participants.
    Farney TM; Bliss MV; Hearon CM; Salazar DA · Journal of strength and conditioning research · 2019
    Randomized trial12 participantsEnergy forCitrulline
  6. [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
    Esin RG; Khayrullin IK; Esin OR; Fatykhova AF; Gismatullina EI; Isaeva YN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2023
    Randomized trial37 participantsEnergy forPotassium
  7. Human resting energy expenditure in relation to dietary potassium.
    Dériaz O; Thériault G; Lavallée N; Fournier G; Nadeau A; Bouchard C · The American journal of clinical nutrition · 1991
    Randomized trial8 participantsEnergy forPotassium