Pharmacological and Clinical Notes of C-Lax Syrup
Oral Senna, when used appropriately and for short-term, is an FDA-approved over-the-counter medication for adults and children over 2 years of age. The active constituents of Senna, without being absorbed in the small intestine, are converted by colonic bacteria into the active metabolite (1,8-dihydroxyanthracene derivatives), which increase intestinal peristalsis and thereby accelerate the transit of bowel contents.
In a clinical study conducted under the supervision of Golestan University of Medical Sciences, the efficacy of C-Lax syrup was compared with polyethylene glycol for bowel preparation prior to colonoscopy. It was demonstrated that consumption of three bottles of C-Lax syrup, divided into two doses 12 hours apart (1.5 bottles every 12 hours), 24 hours before colonoscopy, has a cleansing effect comparable to the intake of 20 glasses of 250 mL polyethylene glycol (one glass every 15 minutes over 24 hours).
Each bottle of C-Lax syrup contains:
Active Ingredients:
|
Active Ingredients |
Amount |
|
Senna alexandrina leaf liquid Ext. |
50 mg/1ml, 250mg/5ml |
|
(Standardized to 7.5 mg hydroxyanthracene glycosides as sennoside B/5 ml, 90mg/bottle) |
|
- No Alcohol - No Artificial Color
with natural flavor of spearmint
Other Ingredients:
Sucrose, Glycerin, Natural Spearmint oil, Nipagin, Nipasol, Purified water.
Dosage Instructions
Shake the bottle well before use
As a laxative:
Children 2 to 6 years: 2.5 to 5 mL daily
Children 6 to 12 years: 5 to 10 mL daily
Adults and children 12 years and older: 10 to 20 mL daily, if required, maximum twice daily.For bowel evacuation: In adults and children 12 years and older, 1 to 2 bottles depending on body weight, to be taken between 2 and 4 PM the day before radiographic examinations and colonoscopy, or according to clinical study instructions, 1.5 bottles every 12 hours, 24 hours before the examinations.
please wash the measuring cup after use.
C-Lax Syrup "Active Ingredients"


Each 5 mL of the product contains **250 mg of liquid extract of Senna alexandrina leaves**, equivalent to **50 mg per 1 mL**. The extract is standardized to provide **7.5 mg of hydroxyanthracene glycosides, expressed as sennoside B, per 5 mL**. Each bottle contains a total of **90 mg of hydroxyanthracene glycosides**.
C-Lux Syrup "Frequently Asked Questions"
The senna plant (Cassia angustifolia or Cassia acutifolia) has traditionally been used as a natural remedy to relieve constipation. When formulated as a syrup, senna can provide several benefits by stimulating bowel movements and helping to relieve what is commonly described as a “sluggish bowel.” Below, we explain how senna works and its potential benefits.
Adequate fluid intake: Drinking enough water can support the laxative effect and help prevent dehydration.
Diet: Eating a fiber-rich diet, including fruits, vegetables, and whole grains, can help maintain regular bowel function.
Lifestyle: Regular physical activity and daily exercise can help naturally stimulate digestion and bowel movements.
C-Lux Syrup "Certification & References"
1. PDR for Herbal Medicines, Fourth Edition (2008), 743-7.
2. E/S/C/O/P Monographs, (2003), 456-58.
3. Remington’s Pharmaceutical Sciences, (1990), 785-6.
4. Martindale, The Complete Drug Reference, 40th Edition (2020), 1957-8.
5. Text book of Natural Medicine, Fifth Edition (2021), 1248-9.
6. Herbal Medicine, Fourth Edition (2013), 663-6.
7. The review of natural products, Eighth Edition, (2014), 1622-5.
8. Naturalmedicines.therapeutic.com/database (2024), NatMed pro-professional monograph-senna.
C-Lax syrup is licensed by the Iranian Food and Drug Administration (IFDA) with a valid IRC registration.
Iran Registration Code (IRC): 4760637738518378
DINEH Iran Industries Complex
Customer Support:
98-21-61018
dinehiran.com



















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