Your Professional Dietary Supplements Supplier

 

Our goal is to become your true partner in the field of dietary supplements in China. Joy BIotech is a professional supplier and manufacturer of cosmetic ingredients,pharmaceutical raw materials, Intermediates, APIs, Dietary supplements, ,etc. Our service covers export & Import, custom synthesis, CMO/CDMO of chemical and synthesis biology products. The factory has accumulated rich manufacturing experience. Our company is committed to applying advanced manufacturing technology and strict quality control standards to every product. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 

 

First 12 Last
 

 

Why Choose Us
 

Quality Control

QC team members are all qualified and receive regular training. A professional QA team ensures quality products and a sound documentation system is in place to support audits.

 

Our Team

Joy Biotech team members include postdocs, doctors, masters, bachelors in the fields of synthetic biopharmaceuticals, chemistry, biology.

 

Our Services

We not only provide quality products, but also the best pre-sales and after-sales services. Our goal is to build a long-term relationship with every customer. If you have questions or problems, please feel free to contact us by email, phone, WhatsApp... We will respond to you as soon as possible within 24 hours.

 

Fast Delivery

For products in stock, we can deliver immediately after receiving your payment. For synthetic chemicals, we will provide delivery time when quoting.

Types of Dietary Supplements
 

Fiber Supplements:Aid digestion and promote satiety.

Example: Psyllium husk (soluble fiber for regularity)

 

Specialty Supplements:Target specific health needs.

Example: Melatonin (sleep support)

 

Omega-3 & Fatty Acids:Essential fats important for heart, brain, and joint health.

Example: Fish oil (EPA & DHA for inflammation and cognition)

 

Vitamins:Essential organic compounds needed in small amounts for various bodily functions.

Example:B-complex vitamins (energy metabolism, nerve function)

 

Minerals:Inorganic elements crucial for body processes like bone formation, muscle function, and enzyme activity

Example:Calcium (bone health)

 

Protein & Amino Acids:Support muscle growth, repair, and metabolic functions.

Example:Creatine (strength and performance)

 

Herbal & Botanical Supplements:Derived from plants and used for various health benefits.

Example:Echinacea (immune support)

 

Probiotics & Prebiotics:Support gut health and digestion by promoting beneficial bacteria.

Example:Prebiotic fibers (food for probiotics)

 

 

Best-selling Dietary Supplements

 

Melatonin

Melatonin

CAS:73-31-4

MF:C13H16N2O2

MW:232.28

Appearance:White to off-white powder

Purity:99.5%

Store Condition:Store in a well-closed container protected from light

Application:Pharmaceutical;Dietary Supplements

Lactulose

(R)-(+)-Lipoic acid

CAS:1200-22-2

MF:C8H14O2S2

MW:206.33

Appearance:Light yellow to yellow powder

Purity:99.5%

Application:Pharmaceutical;Dietary Supplements

Sodium Alginate

Sodium Alginate

CAS:9005-38-3

MF:C5H7O4COONa

Appearance:Off-white to pale yellow or light yellowish-brown, in fibrous, granular, or powdered form

Application:food additives;Pharmaceutical;Dietary Supplements

 

Advantages of Dietary Supplements

 
 

Melatonin
Melatonin have many advantages, including:
●Keeping your GI tract healthy: A large amount of the body’s melatonin is produced in the gut (though it doesn’t travel to the rest of the body). There’s a very high concentration of melatonin in the gut. Because of this, researchers believe it plays a role in supporting digestive health.
Helping acid reflux: There’s some research showing that melatonin may help people with gastroesophageal reflux disease (GERD). More research is needed, though, before it can be recommended as part of reflux treatment.
Reducing heart risks: If you’re taking melatonin, you may get some heart benefits as well. A handful of small studies have found some encouraging effects.
Helping migraines and headache: Melatonin may help make certain types of headaches less intense, particularly migraines. A review of research found that melatonin reduced:

 
 

Lactulose
Lactulose have many advantages, including: Lactulose is used to prevent and treat a brain condition that can happen in people with liver disease (hepatic encephalopathy). It relieves constipation by drawing water into the colon, making the stool (poop) softer and easier to pass. It prevents and treats hepatic encephalopathy by helping the body get rid of ammonia.

 
 

Sodium Alginate
Sodium alginate have many advantages, including: SA is a natural polysaccharide with eximious properties such as biosafety, biocompatibility, and renewability. Sodium alginate has advantages, including a wide range of sources, mild preparation conditions, and relatively low production costs.

 

 

Specification of Melatonin

 

 

Product Name

Melatonin

CAS No.

73-31-4

Package

25kg/drum

Storage Condition

Store in a well-closed container protected from light

Test Item

Specification

Appearance

White or off white powder

Loss on drying

≤1.0%

Residue on Ignition

≤1.0%

Chloride and sulfate

≤0.02%

Heavy Metals

As≤1ppm

Cd≤1ppm

Hg≤0.1ppm

Pb≤1ppm

Related compounds

Individual impurities≤0.1%

Total impurities≤1.0%

Assay

98.5~101.5%

 

 

Specification of Sodium Alginate

 

 

Product Name

Sodium alginate

CAS No.

9005-38-3

Test Item

Specification

Appearance

Off-white to pale yellow or light yellowish-brown, in fibrous, granular, or powdered form

Identification

1.Should dissolve slowly in water to form a viscous liquid, insoluble in ethanol and ether

2.A large amount of gelatinous precipitate should be produced immediately

3.Should not form a precipitate

Viscosity

800-1000

PH

6.0~8.0

Moisture

≤15.0%

Insoluble Matter In Water

≤0.6%

Ash Content

18.0~27.0%

Lead

≤5.0mg/kg

Arsenic

≤2.0mg/kg

Size Mesh

80 mesh

 

Specification of (R)-(+)-Lipoic acid

 

 

 

 

Product Name

(R)-(+)-Lipoic acid

CAS No.

1200-22-2

Package

Inner layer is double-layer LDPE bags, outer layer is cardboard drum

Storage Condition

Store at 2-8℃ and sealed

Test Item

Specification

Appearance

Light yellow to yellow powder

Solubility

Meets the requirements

Identification

The main peak retention time should be consistent with the control solution

Water Content

≤0.5%

Specific rotation(Ethanol)

+115°~+125°

Residue on ignition

≤0.1%

Limit of polymer content

≤0.1%

Residual solvents by GC

EA ≤5000 ppm

MTBE ≤5000 ppm

N-hexane ≤5000 ppm

MCH ≤1180 ppm

Purity by HPLC

≥99.5%

Max Impurity by HPLC

≤0.2%

Total impurity by HPLC

≤1.0%

Chiral purity by HPLC

≥99.5%

Assay by HPLC

98.5%~101.5%

Supply Chain & Logistics

 

 

Fast Delivery

Inventory Management: Safety stock for fast turnaround.

 

Reliable Global Delivery

Logistics Partners: DHL, TNT,FedEx, with expertise in customs clearance (INCOTERMS: FOB, CIF,CNF).

productcate-1920-800

 
Sustainable development

Joy Biotech is committed to environmental sustainable development throughout our operations. We prioritize green chemistry principles, biological methods, and enzyme catalysis from R&D through commercial production to ensure sustainable and eco-friendly manufacturing processes.

productcate-1920-800

 

FAQ

 

Q: What is your minimum order quantity (MOQ)?

A: To support new brands and R&D institutions, we have no MOQ (minimum order quantity) requirements.

Q: Do you provide free samples?

A: Yes, we offer free samples for qualified buyers,but shipping costs may apply.

Q: What is the lead time for production and delivery?

A: Our best-selling products are typically stocked to ensure rapid delivery. For custom-synthesized materials, applicable lead times will be clearly indicated in the quotation.

Q: How do you ensure ingredient quality and traceability?

A: Raw materials are sourced from reliable supplier, and every step and batch undergoes testing.

Q: What documents do you provide with shipments?

A: We supply COA (Certificate of Analysis), MSDS, customs clearance documents, and other documents required by clients.

Q: What shipping methods do you use?

A: We partner with DHL, FedEx, sea and airplane freight providers. Shipping terms (FOB, CIF.CNF...) are negotiable.

Q: What payment terms do you accept?

A: We accept T/T, LC.... Terms vary based on order size and customer history.

Q: Do you handle customs clearance and taxes?

A: We assist with export documentation, but import duties are the buyer’s responsibility.

Q: Are your ingredients cruelty-free?

A: Yes, all products are cruelty-free.

Q: How do you handle urgent orders or shortages?

A: Our safety stock program ensures priority access to high-demand ingredients during shortages.

 

We're well-known as one of the leading dietary supplements manufacturers and suppliers in China. If you're going to buy high quality dietary supplements, welcome to get quotation from our factory. For price consultation, contact us.

Sodium Alginate, Alginate Oligosaccharide, Lactulose
Send Inquiry