🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

5 Gram(s) Serving Size
100 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Energy
65 kJ
CitruSyn
5000 mg
0.21 mg (15% DV)
✅ Within RDA (0.2× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.21mg UL 100mg

Other Ingredients

CitruSyn Pyridoxine Hydrochloride

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (97% of products) Structure/Function (91% of products) Nutrient (29% of products) No Claim (2% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Recommended dosage: On training days take 5 g of powder (2 scoops) with plenty of liquid (300 mL) approx. 30 minutes before training. On non-training days, take directly after getting up in the morning or at bedtime.

⚠️ Warnings & Precautions

Do not exceed the recommended daily dosage.

Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle.

Keep out of reach of small children.

🧪 Formulation Notes

Purest form of L-Citrulline High potency amino acid for hardcore workouts 100% pure L-citrulline high dose 5000 mg per daily serving CitruSyn *L-Citrullin/refers to the contained L-Citrulline

Nitrogen arginine precursor Purest form 30% more than L-citrulline malate Ultrapure microfine base Made in Germany

Vegan

Food supplement in powder form with L-citrulline and vitamin B6.

CitruSyn 100% L-Citrulline Malate 70%

Additional Information

%NRV = % of nutrient reference values

Elite series Resealable ziplock

If kept unopened in a cool, dry place, best before end of/Lot No.: see imprint. Once opened, use up quickly. Keep away from direct heat and light.

Content: 100 servings = 500 g

Product Details

UPC / SKU 4 250350 532744
DSLD Entry Date 2025-05-21
Product Type Other Combinations
Form Powder
DSLD ID 329545
Data Updated 2026-04-11

Research Evidence

12 Research Sources
45 Avg Quality Score
6 Rct
5 Clinical Trial
1 Meta Analysis
C Effect of food sources of nitrate, polyphenols, L-arginine and L-citrulline on endurance exercise performance: a systematic review and meta-analysis of randomised controlled trials
Meta Analysis Journal of the International Society of Sports Nutrition 2021
C Effects of L-Citrulline Supplementation on Endothelial Function and Blood Pressure in Hypertensive Postmenopausal Women.
Rct Nutrients
C Effects of Acute Citrulline Malate Supplementation on CrossFit® Exercise Performance: A Randomized, Double-Blind, Placebo-Controlled, Cross-Over Study.
Rct Nutrients
C Impact of L-Citrulline Supplementation and HIIT on Lipid Profile, Arterial Stiffness, and Fat Mass in Obese Adolescents with Metabolic-Dysfunction-Associated Fatty Liver Disease: A Randomized Clinical Trial.
Rct Nutrients
C Effect of L-Citrulline Supplementation on NAFLD in Adolescents With Obesity
Clinical Trial ClinicalTrials.gov 2021
C Effects of L-Citrulline or Citrulline-malate on Neuromuscular Performance in Resistance-trained Adults
Clinical Trial ClinicalTrials.gov 2022
C Acute effects of Nitrosigine® and citrulline malate on vasodilation in young adults.
Rct Journal of the International Society of Sports Nutrition
C Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.
Rct International journal of sports physiology and performance
C Acute effects of combined supplementation of L-arginine and citrulline malate on aerobic, anaerobic, and CrossFit exercise performance.
Rct Scientific reports
C L-Citrulline in Peripheral Artery Disease
Clinical Trial ClinicalTrials.gov 2016
View all evidence for Citrulline →

Compare Similar Products

View all Citrulline products →