📋 Product Overview Table
| 🌐 Specification | 🧾 Details |
|---|---|
| 💊 Product Name | Susten 400 mg Capsules |
| 🧬 Active Ingredient | Natural Micronized Progesterone |
| 🏭 Manufacturer | Sun Pharmaceutical Industries Ltd |
| 💡 Indication | IVF support, luteal phase defect, threatened miscarriage, hormone therapy |
| 📦 Packaging | 10 soft gelatin capsules in 1 strip |
| 🌍 Country of Origin | India |
| ⏱️ Delivery Time | 6 to 15 business days |
🧬 Introduction – What is Susten 400 mg Capsule?
Susten 400 mg Capsules deliver a high-strength dose of micronized progesterone, essential for women requiring robust hormonal support during assisted reproductive procedures, especially IVF. Developed by Sun Pharmaceutical Industries Ltd, the 400 mg strength is ideal for cases with severe progesterone deficiency, repeated implantation failure, or advanced hormone therapy regimens.
These softgel capsules are designed for both oral and vaginal use, ensuring versatile administration and high bioavailability in therapeutic settings.
🎥 Educational Video Overview
📺 “Role of High-Dose Progesterone in Assisted Reproduction”
🎬 Video Placeholder – Covers indications, administration routes, and medical insights
🎙️ Expert Commentary: Dr. Anita Kulkarni, MD – IVF & Endocrine Specialist
🧪 Mechanism of Action – How It Works
| ⚗️ Physiological Effect | 🔬 Clinical Outcome |
|---|---|
| Maintains endometrial receptivity | Promotes embryo implantation and uterine lining maintenance |
| Hormonal stabilization | Compensates luteal phase insufficiency and HRT-related deficiency |
| Gestational support | Preserves early pregnancy during the first trimester |
💊 Indications & Dosage
| 🩺 Indication | 💊 Typical Dosage |
|---|---|
| IVF/Luteal support | 400 mg daily orally/vaginally, adjusted per treatment |
| Threatened miscarriage | 400 mg vaginally once or twice daily |
| HRT for menopause | Per clinical discretion and endometrial preparation |
Vaginal route preferred for improved local absorption in ART.
⚠️ Side Effects & Contraindications
| 💥 Mild Effects | ❗ Serious Reactions |
|---|---|
| Headache, drowsiness | Jaundice, hypersensitivity, depression |
| Breast discomfort, bloating | Thromboembolism (in predisposed individuals) |
| Mood shifts, vaginal discharge | Hepatic dysfunction (rare) |
⚠️ Not recommended for patients with liver disease, breast cancer history, or thrombosis.
🧃 Storage Instructions
- Store below 25°C (77°F)
- Protect from moisture and light
- Keep out of reach of children
🌍 Global Buying Guide & Legal Import
| 🌎 Region | 🚚 Import Regulations | 📄 Prescription Needed |
|---|---|---|
| 🇺🇸 USA | Personal use allowed under FDA guidelines with valid prescription | ✅ Yes |
| 🇬🇧 UK | Permitted for personal therapeutic use under MHRA guidance | ✅ Yes |
| 🇦🇺 Australia | TGA-compliant imports allowed with prescription | ✅ Yes |
Estimated delivery: 6–15 business days globally.
🔗 Related Indian Alternatives (Internal Links)
| 💊 Medicine | 🏭 Manufacturer | 📖 Use & Formulation |
|---|---|---|
| Susten 300 mg | Sun Pharma | Strong dose for ART cycles and HRT |
| Gestoford 400 mg | Cipla Ltd | Equivalent strength softgel for advanced progesterone supplementation |
| Endogest 400 mg | Cipla Ltd | Oral/vaginal use in high-dose IVF protocols |
| Gestone Injection | Ferring Pharmaceuticals | Injectable option for advanced reproductive therapy |
| Crinone Gel 8% | Merck Serono | Vaginal gel alternative for local hormone support |
📚 References & Trusted Sources
- NHS – Hormonal Treatments Overview
- Drugs.com – Progesterone Profiles
- WHO – Maternal Hormonal Guidelines
- ASRM – Progesterone Guidelines in ART
🩺 Medical Expert Insight – Dr. Anita Kulkarni, MD
“The 400 mg dosage of micronized progesterone provides a critical boost in hormonal support during challenging fertility cycles and complex HRT protocols.”
⚠️ Disclaimer
This article is for informational purposes only. Do not use Susten 400 mg without a licensed healthcare provider’s prescription and supervision.




