Zhejiang Tianlong Capsule Co., Ltd. is a professional manufacturer of hollow capsules. We mainly produce 00#, 00#B, 0#el, 0#, 1#, 2#, 3#, 4# and other specifications of gelatin hollow capsules and plant capsules. At present, the company has two capsule production plants and installed 46 hollow capsule production lines,the current annual production capacity has reached 26 billion capsule.
Raw Materials
We offer a vertically integrated supply chain model to ensure reliable long-term supply, complete traceability, and superior quality of raw materials. Our raw materials pass through strict quality control assessments before going to the manufacturing stage.
Complete Qualifications
Our plant area is strictly planned and designed according to the GMP standard for pharmaceutical excipients. We have passed ISO9001, USFDA, HALAL quality management system certification and is registered with the FDA in the United States.
OEM & ODM Service
We can provide hundreds of colors for customers to choose, but also in accordance with the customer's color card number and sample custom production.
Quality Guaranteed
Advanced automated equipment and facilities, strict indoor cleanliness procedures and perfect quality real-time monitoring, as well as high-quality raw materials to ensure that customers can provide quality products at any time.
Semi-Transparent Capsules are a type of capsule that is made with a unique material that allows for partial transparency. Typically, capsules are completely opaque, making it impossible to see the contents inside.
Yellow Bovine Gelatin Capsules
These Yellow Bovine Gelatin Capsules are available in a range of sizes, from small to large, to accommodate all types of supplement products.
Our empty hard capsules are made using high-quality raw materials, raw material suppliers are international and domestic first-class manufacturers.
Our size 0 capsules are perfect for those looking for smaller sized capsules. They are perfect for those who may have difficulty swallowing large capsules.
Our gelatin capsules are free of toxic substances or harmful chemicals that can cause harm to the body. We strictly follow the GMP standards and ensure that our capsules are manufactured under hygienic conditions that are safe for human consumption.
Red White Capsule is packed with a host of essential vitamins, minerals, and natural extracts to deliver a comprehensive range of health benefits.
Empty capsules by medical gelatin caps with auxiliary materials refined but become, body two capsule shells. It is mainly used for holding solid drugs. Such as homemade powder, health care products, pharmaceutical, etc.
We use high-quality raw materials, raw material suppliers are international and domestic first-class manufacturers that are free from Bovine Spongiform Encephalopathy (BSE) and Transmitting Animal Spongiform Encephalopathy (TSE).
Empty Gelatin capsule
Material: Pharmaceutical grade geltain
The capsule will be dissolved quickly, reliable and safe.
What Are Empty Gel Capsules?
Empty gel capsules are a popular choice for delivering supplements, commonly known as gelatin capsules, which are small cylindrical containers made from gelatin mixed with water and other pharmaceutical-grade materials. And come in a variety of sizes, one of the most popular sizes of empty capsules is size 0.
Key Features of Empty Gel Capsule
Animal-Based
Made from high-quality bovine or porcine gelatin.
Flexibility and Strength
Offer a balance of flexibility and durability, making them easy to swallow.
Bioavailability
Promote the rapid release and absorption of the encapsulated substances.
Variety of Sizes and Colors
Available in a range of sizes and can be colored or transparent.

Customizability: One of the key advantages of gelatin capsules is their ability to be filled with personalized combinations of substances. This allows individuals to create their own formulations, tailoring the dosage and ingredients to suit their specific needs. Whether it's creating a unique vitamin blend, herbal remedies, or encapsulating essential oils, empty gelatin capsules offer the flexibility to adapt to individual preferences.
Taste and Odor Masking: Some supplements or medications have unpleasant tastes or odors that can make them challenging to consume. Empty gelatin capsules provide an excellent solution by acting as a barrier between the contents and the taste buds. This feature is particularly useful when encapsulating bitter herbs, potent powders, or strong-smelling substances, making the experience more palatable.
Easy Administration: Gelatin capsules are designed to be easily swallowed, making them a convenient option for individuals who have difficulty taking large tablets or capsules. They slide smoothly down the throat, reducing the risk of choking or discomfort. Additionally, the consistent size and shape of the capsules simplify dosage tracking, ensuring accurate intake.
Save Money
Ideal for regular supplement users who want to make their very own, these pill capsules are guaranteed to save money. Simple and quick to fill with virtually any powders of your choice, creating bespoke capsules has never been easier or more affordable.
Easy to Use
Able to be manually filled with up to 800mg of powder, these 0 gelatin capsules are also compatible with the ALL-IN Capsule filling machine too. However you choose to fill them, the shape and strength of these size 0 capsules will make the entire process simple.
Maximum Safety
Whilst the majority of pharmaceutical companies are legitimate and safe, you can never be 100% sure of what's actually in the capsules you're buying. But with the power to make your own with these empty pill capsules, you'll have premium peace of mind of knowing exactly what's in them.
Pure Ingredients
Made using 100% pure beef gelatin, these empty capsules are allergen-free. Easily digestible and guaranteed to dissolve fast within your system, these gel capsules are also certified Kosher and Halal.
Benefits of Gelatin in Pharmaceutical Applications
Hard and Soft Capsules
Gelatin is widely used to create the shell for both hard and soft capsules, providing an effective means of protecting the contents from light, atmospheric oxygen, contamination and microbial growth as well as masking taste and odor. Hard capsules represent 75% of the gelatin capsule market. 1Also known as two-piece capsules, they consist of two cylindrical shells with a cap that fits closely over the body to form a hermetically closed unit. They can be produced in sizes ranging from 000 to 5 for humans and may be transparent or colored. Imprinting is also possible. Hard capsules are commonly filled with powders, granules, pellets and mini-tablets. They can also be filled with liquids and pastes utilizing methods that have been developed to seal and package the capsules while maintaining drug safety standards.
Soft capsules, meanwhile, feature a one-piece, hermetically sealed flexible shell, benefiting from gelatin's ability to dissolve in hot water and form a gel upon cooling. They can have either a liquid or semi-solid filling, with the ability to create shells with different shapes and colors. While soft capsules make up only around one quarter of the gelatin capsule market, they offer significant advantages over many traditional oral dosage forms. These include the protection of APIs, improved swallowability, and the ability to readily dissolve in the gastric juices of the gastrointestinal tract. In addition, the absorption of poorly soluble compounds encapsulated in soft capsules may be higher compared to conventional dosage forms.
Tablets
Gelatin can be used as a binder or coating for tablets, which offers a lower-cost alternative to capsules. Tablets also provide the possibility of notching for dose splitting and there is no risk of crosslinking. However, tablets are limited to solid APIs and excipients, while dissolution is slower, formulation is more difficult, and there is less protection of active ingredients against oxygen and light. Swallowability is also more challenging. As a binder, gelatin can glue together powders during granulation such as starch, cellulose derivatives, and gum acacia. Gelatin coatings can also help overcome some of the tablets weaknesses. These include providing improved swallowability, reducing taste and odor, and helping to protect APIs against oxygen and light.
Microencapsulation
The microencapsulation process involves coating particles or droplets with a gelatin shell to create tiny capsules. Its uses include lipophilic vitamins as well as flavors, colors, pesticides, herbicides and carbonless copy paper. Microencapsulation can provide multiple benefits, including protecting the particles from degradation caused by oxygen or light, masking their taste and odor, controlling their release rate, and improving their handling qualities.
Medical Devices
Gelatin has various benefits that make it ideally suited to a range of healthcare applications. It is almost universally tolerated, with excellent cell compatibility and minimal immunogenicity. It is also highly purified, with no risk of contamination, and it offers highly reproducible production in addition to well-controllable physical parameters. Its uses include hemostatic sponges, which not only stanch blood effectively but are bioresorbable and accelerate the healing process by facilitating the migration of new tissue cells. Ostomy patches, meanwhile, use gelatin as an adhesive to the skin. Gelatin bone plugs provide stability after joint surgery and, because of their biodegradability, they do not need to be removed afterward. Gelatin also has a long history of use as a plasma expander, offering a relatively cost-effective means of increasing plasma volume. Most recently, gelatin has been used in 3D printing to fabricate single-layered structures and multi-layered complex 3D structures for tissue engineering. Its wide-ranging uses ensure gelatin is considered to be an innovative excipient with decisive advantages.
Benefits of Taking Gel Capsule
Digestive conditions
Gelatine is beneficial in preventing damage of the intestines and improving the lining of the digestive tract. The lining of the gut can be thought of as the body's most important line of defense, as it keeps particles from food, bacteria and yeast inside the digestive system where they belong, and prevents leakage into the blood stream, which would trigger inflammation. People who have problems with their digestion can benefit from taking gelatine supplement. It can improve your ability to produce adequate gastric juices, and glycine from gelatine is important for restoring a healthy mucosal lining in the stomach and facilitating with the balance of digestive enzymes and stomach acid. Symptoms of inadequate enzymes and acid include acid reflux, bloating, indigestion and anaemia. Finally gelatine is capable of absorbing water and other fluids which helps prevent fluid retention and a bloated stomach while improving constipation.
Lifts Mood and Improves Cognitive Abilities
The amino acid glycine in gelatine is considered an "inhibitory neurotransmitter," which means it acts similarly to some anti-anxiety or antidepressant medications, only without the unwanted complications and side effects. People use glycine and other forms of amino acid therapy to naturally boost mental clarity and calmness because certain amino acids help lower "stress hormones" like norepinephrine and increase "happy hormones" like gamma-aminobutyric acid. Glycine can also help detoxify the liver for overall health and function. Thus there are advantages to be had in taking gelatine as it is recognized that the modern western diet is much lower in gelatine that was common even a couple of generations ago. These days we tend to eat chicken breast rather than the other components of the chicken carcass that are high in gelatine. By contrast, the chicken broth of Mrs Beeton in the 19th Century was nutritious and a great help for the infirm because partly because it was high in gelatine.
Helps Improve Sleep Quality
Certain studies have shown that taking a few grams of gelatine before bedtime helps people who continuously experience trouble falling asleep, or who have general unsatisfactory sleep. Researchers have found that gelatine can have a positive effect on subjective sleep quality and find that it improves daytime sleepiness, daytime cognitive functions, sleep quality and sleep efficacy (sleep time/in-bed time), and improves slow-wave sleep without changes in the normal/healthy sleep architecture. Glycine also seems to improve sleep in a different way to traditional sleep medications or hypnotic drugs, i.e., less drowsiness and side effects the following day are experienced.
Protects Joints and Lowers Joint Pain
Both collagen and gelatine are known to ease symptoms of osteoarthritis and rheumatoid arthritis. Osteoarthritis is common in older people and considered the leading cause of frequent joint pains. As people age, they tend to develop more stiffness, aches and limited mobility that worsen over time since collagen continues to break down and erode. Gelatine and collagen supplements help stall chronic inflammatory responses, which reduces pain and stops progressive disease that lead to impairments in joint function. In clinical trials, people taking gelatine (around two grams daily) tend to experience less inflammation, less pain in the joints or muscles, better recovery, and even improved athletic abilities compared to people taking a placebo.
Side Effects for Empty Gel Capsule
Evidence suggests that soft and hard gel capsule casings are likely to be safe for most people, whether they are derived from plants or animals. However, some people are allergic to gelatin, so seek immediate medical attention if you experience any allergic reactions after taking gel capsule medication. Gelatin-formed gel capsules are not suitable for vegetarians or anyone who is allergic to beef or pork, due to their source. It is always advisable to consult a medical professional before taking medication or food supplements when pregnant or breastfeeding.
How are Capsules Manufactured?




Manufacturing of Hard Capsules
Material Preparation
Gelatin is derived from animals or plants (skin, bones or cellulose, starch) respectively. Then it is mixed with water and other derivatives to form a gel like substance.
Molding
The produced gel material is molded into desired size and shape. Every industry has standardized its brand of capsule depends on its advanced technology.
Inspection of the Molded Capsules
After molding capsules are allowed to dry to remove the excess of moisture and let them solidify the gelatin to gain its shape according to the requirements.
Capsule Filling
After a complete inspection, capsules are filled with the actives like powder, liquid or pellet via automated filling machinery for mass production of encapsulation.
Seal of the Capsule
Once the capsules are filled, their contents are carefully sealed with the proper methodology of heat sealing, etc, preventing leakage.
Brand Packaging
In the end, after proper filling and sealing, capsules are packaged to be protected from any mechanical damage and other environmental factors. It is specific to the marketing strategies of subsequent pharmaceuticals.
Manufacturing of Soft Capsules
Formation of Capsule Material
Shells are formed with gelatinous and plasticized additives which are further mixed with water to make a gel like substance
Soft Shell Formation
The gel is allowed to form two separate tube shaped gelatin ribbons via a rotating wheel. Ribbons are merged to form a single sealed capsule with a cavity to be filled with the respective drug
Filling
By the help of specialized automated filling machines, contents like liquid, semi liquid drug or food supplements are filled in the cavity of soft gel capsules.
Sealing
By using heat sealing method or many others are used to protect the encapsulated contents, preventing from leakage.
Inspection
Soft gel capsules are allowed to dry after filling and sealing to remove all the excess moisture. Then after, dried capsules were inspected for their required specifications like size, shape and composition to meet all the requirements.
Packaging
To keep softgel protected from environmental factors, sunlight, mechanical pressure, and other factors of distinct branding, attractive packaging is done.
Our Certificates
We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, USFDA, HALAL and our stringent quality control system.


Automatic Production Plant
The plant area is strictly planned and designed according to the GMP standard for pharmaceutical excipients.

Frequently Asked Questions
Q: Why do people use empty capsules?
Custom Dosage: Empty capsules allow individuals to tailor the dosage of their supplements or medications to their specific needs, which is particularly beneficial for those requiring non-standard dosages.
Combining Supplements: They enable users to combine multiple supplements into a single capsule, simplifying their health regimen and reducing the number of pills they need to take daily.
Allergy or Dietary Restrictions: For individuals with specific dietary restrictions or allergies, empty capsules allow them to avoid certain ingredients found in pre-filled capsules or tablets.
Q: Are empty gelatin capsules safe?
Made from Natural Ingredients: Gelatin capsules are made from gelatin derived from animal collagen, a protein found in connective tissues, and are generally recognized as safe by health authorities.
Allergies and Dietary Restrictions: While safe for most, they may not be suitable for individuals with specific dietary restrictions (like vegetarians or vegans) or those with allergies to gelatin.
Standards: High-quality empty gelatin capsules are manufactured under strict quality control standards to ensure they are free from contaminants and safe for consumption.
Regulatory Compliance: Reputable manufacturers ensure that their capsules comply with regulatory standards set by health authorities, further ensuring their safety.
Q: What are empty gel capsules used for?
Q: What are the advantages of gel capsules?
Q: What are empty hard gelatin capsules used for?
Q: Do gel capsules work better?
Q: Why do people buy empty gelatin capsules?
Q: What is capsule advantages and disadvantages?
Q: Do you chew or swallow gel capsules?
Q: Do gel capsules absorb faster?
Q: Can you dissolve gel capsules in water?
Q: Why are gel capsules more expensive?
Q: How long does it take for gel capsules to work?
Q: How long do gel capsules last?
Q: Can you put liquid in gel capsules?
Q: What is the difference between a softgel and a capsule?
Q: Is it better to empty capsules?
Q: What are the different types of gelatin capsules?
Q: How can hard gelatin capsules be sealed?
Q: Do gel capsules go bad?
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