Precision-manufactured herbal extracts and nutritional active powders engineered for European standard dietary supplements and cosmetic formulations.
Bulgaria has swiftly established itself as one of Southeastern Europe's most dynamic manufacturing hubs for pharmaceutical synthesis, natural herbal cosmetics, and advanced dietary supplements. With strategic production clusters in Sofia, Plovdiv, Varna, and the Rose Valley (Kazanlak), Bulgarian enterprises are blending centuries-old botanical knowledge with cutting-edge cellular biochemistry. Among the most sought-after active ingredients in today's Bulgarian health and beauty sector is Reduced L-Glutathione Powder (CAS 70-18-8).
Known universally as the body's "Master Antioxidant," Glutathione is an endogenous tripeptide composed of glutamic acid, cysteine, and glycine. In Bulgaria, consumer awareness surrounding longevity, systemic detoxification, cellular immunity, and hyperpigmentation reduction has ignited exponential demand across multiple commercial sectors:
Integration into luxury anti-aging serums, brightening creams, and skin-rejuvenation ampoules in synergy with iconic Bulgarian Rosa Damascena distillate and lavender extracts.
High-bioavailability liposomal capsules, effervescent tablets, and hangover recovery shots manufactured in GMP certified plants across Sofia and Plovdiv industrial zones.
Growing deployment in aesthetic clinics across Varna, Burgas, and Sofia for intravenous antioxidant infusions, liver support therapy, and post-laser skin repair cocktails.
The regulatory framework governed by the Bulgarian Food Safety Agency (BFSA / BABH) in tight harmonization with the European Food Safety Authority (EFSA) requires the highest standards of microbiological purity, heavy metal exclusion, and verifiable assay percentages. As Bulgarian brand owners scale their exports into the broader European Single Market (Germany, France, Romania, Greece), sourcing cGMP, ISO22000, and HACCP certified Glutathione Powder has become the cornerstone of competitive advantage.
Our bio-fermented L-Glutathione Reduced powder delivers a minimum assay of 98.0% ~ 101.0%, offering complete stability, crystalline dissolution, and non-GMO assurance tailored to the demanding standards of Bulgarian contract manufacturing facilities.
| Test Parameter | Pharma / Cosmetic Grade Standard | Analytical Method | Compliance Status |
|---|---|---|---|
| Appearance | White to almost white crystalline powder | Visual Inspection | USP / EP Standard |
| Assay (GSH Purity) | 98.0% – 101.0% (Dry Basis) | HPLC / Titration | Guaranteed Batch-to-Batch |
| Solubility | Freely soluble in water, clear & colorless | Physical Dissolution | Optimal for Liquid/Beverage |
| Specific Optical Rotation | -15.5° to -17.5° | Polarimetry | Strict Enantiomeric Purity |
| Heavy Metals (Pb, As, Cd, Hg) | ≤ 10 ppm (Pb ≤ 1ppm, As ≤ 1ppm) | ICP-MS | EU Regulation (EC) No 1881/2006 |
| Microbiological Profile | Total Plate Count ≤ 1,000 cfu/g, Yeast/Mold ≤ 100 cfu/g | USP / EP Microbe Testing | Zero Pathogens (Salmonella/E. Coli) |
Shaanxi Yuantai Biological Technology Co., Ltd. was established in 2014. Its headquarter is located in Xi'an and its factory is located in Weinan Economic and Technological Development Zone. The factory covers an area of 10000+㎡ (with primary facilities spanning 6,700 ㎡).
At present, the company's main categories include: capsules, granules, tablets, solid beverages, soft candies and other OEM categories.
YTBIO has 10 years of production experience in the raw material field. The main categories include: herbal extracts, nutritional supplements, organic extract raw materials and cosmetic raw materials.
YTBIO is a comprehensive health food manufacturer. With its understanding of the raw material industry and products, it uses industry experience to provide compounding solutions from raw materials to finished products, and supports professional solutions in product packaging, flexible application of ingredients, and product label design. In addition, we are also committed to developing new products to provide customers with more product and formula options to meet the various needs of different customers for products.



To ensure product quality and production process standards, we have passed cGMP, FSSC22000, BRC, HACCP, ISO9001, ISO22000, HALAL, KOSHER, FDA, and EU & US organic certifications.
OEM categories: capsules, granules, tablets, solid beverages, etc. | OEM content: raw materials, formula, packaging, label design, etc.
Regarding capsules, we are able to provide finished packaging or production of separate operations, such as:
Packaging:
Full range of capsule size availability: #000, #00, #0, #1, #2, #3, and #4 in clear, colored, or titanium-free options tailored to European labeling standards.
About tablet OEM:
Within our solid beverage production facilities we are able to offer the production of instant teas, granular beverages and pack them directly into finished products or in separate operations, for example:
Custom Features:
Use the highest quality plant raw materials from reliable suppliers, produce and process in our own factory, providing one-stop service. Extract and process with high technical standards to retain the highest quality ingredients of raw materials. Produce products such as capsules, tablets and solid drinks.
Direct factory supply with full documentation (CoA, MSDS, Allergen, Non-GMO, BSE/TSE-Free) for Bulgarian and international distributors.