Capsuline: Your Reliable Source for Premium Empty Capsules & Enteric Solutions

What Is Capsuline?

Capsuline is a U.S.-based manufacturer of pharmaceutical-grade empty capsules—gelatin and vegetarian (HPMC) options—serving dietary supplement makers, lab users, and DIY consumers. They produce all capsules in cGMP-certified facilities, ensuring traceability, safety, and high-quality manufacturing standards.

Capsule Types & Certified Quality

🐄 Gelatin Capsules

Made from 100% bovine hide sourced ethically from South America, these clear capsules are Kosher, Halal, BSE/TSE-free, and non‑GMO. Ideal for powders, herbs, oils, and herbal extracts.

🌱 Vegetarian (HPMC) Capsules

These plant-derived capsules are certified by the Vegan Society, non-GMO, and free from allergens—offering a clean option for vegan or allergy-conscious users.

🛡️ Acid-Resistant Enteric Capsules

Specialty capsules designed to survive stomach acid and dissolve in the intestine. Preferred for users needing smoother dosing—for example, reducing reflux when using certain tablets. They’re frequently mentioned as the top choice for sensitive supplements.

What Users Say

🗣️ Community Feedback

Many supplement users report improved consistency and tolerance with Capsuline’s enteric capsules. Some users have noted reduced digestive and sinus irritation compared to other brands.

In user comparisons, Capsuline capsules have been observed to dissolve faster, which may benefit absorption timing. DIY supplement makers also appreciate their smooth lock-fit design, easy fillability, and comfort in swallowing.

📉 Customer Complaints

While many reviews highlight strong quality, there are some concerns about cracked capsules, batch inconsistencies, and customer service response times, especially when ordering through third-party sellers.

Pros & Cons at a Glance

✅ Key Benefits

• Wide capsule variety: gelatin, vegetarian, flavored, acid-resistant

• Certifications include Kosher, Halal, Vegan, Non-GMO, and cGMP manufacturing

• Farm-segmented supply chain ensures traceability

• Ideal for DIY supplement makers, formulating precise dosages

• Highly rated for easy filling, secure closure, and swallowability

⚠️ Considerations

• Occasional reports of quality inconsistencies and cracked capsules

• Customer service feedback is mixed—some delays or communication gaps reported

• Return/refund process may be limited depending on the issue

Buying & Usage Tips

• Use acid-resistant (enteric) capsules to minimize stomach irritation or delay absorption

• Choose gelatin or vegetarian capsules based on dietary and formulation needs

• Order a small test pack first to verify compatibility with your capsule-filling equipment

• Store capsules in a cool, dry place to maintain their integrity

• Track lot numbers and request Certificates of Analysis for documentation if needed

Who Should Use Capsuline?

• DIY supplement creators and herbalists wanting precise dosage control

• Professionals or small labs needing bulk, certified empty capsules

• Users seeking acid-resistant capsules for medication or sensitive formulas

• Anyone needing kosher, halal, or vegan supplement delivery options

Final Thoughts

Capsuline stands out as a versatile and reputable supplier of empty capsules for various use cases. With reliable manufacturing standards, multiple capsule formats, and options tailored to different dietary and health needs, they cater to a wide range of customers—from individual health-conscious users to large supplement labs. While some minor issues have been reported, the overall value, certification, and diversity in capsule options make Capsuline a trusted partner in supplement formulation.