High Absorption Liposomal Vitamin B2 Riboflavin Powder 50% CAS 83-88-5 Bulk Supply OEM GMP Factory Direct
LIPOSOMAL
VITAMIN B2 POWDER
Liposomal Vitamin B2 (Riboflavin) Powder delivers 50% or 70% active riboflavin (CAS 83-88-5) — an essential B vitamin and precursor to the coenzymes FMN and FAD — encapsulated within a phospholipid bilayer via industrial emulsification and spray-drying. Liposomal encapsulation provides physical light-protective shielding for this inherently photosensitive nutrient, offering manufacturers improved processing stability and batch-level consistency. Two standardized loading grades support distinct formulation strategies: 50% for multi-component B-complex blends and 70% for high-potency single-active products. This free-flowing powder integrates directly into capsule filling, tablet compression, and powder premix production lines.
TECHNICAL SPECIFICATIONS
LIPOSOMAL DELIVERY PRINCIPLE
Riboflavin (Vitamin B2) is uniquely photosensitive among water-soluble vitamins. Under UV-A and visible blue light, its isoalloxazine ring core undergoes photodegradation into inactive lumichrome and lumiflavin — neither retains vitamin activity. In conventional manufacturing, this translates to measurable potency loss during processing under ambient light and on retail shelves. Riboflavin's high aqueous solubility also causes rapid dissolution in wet-granulation and multi-phase beverage systems, creating blend inhomogeneity challenges.
Liposomal encapsulation embeds riboflavin within phospholipid bilayer vesicles, achieving three outcomes critical for manufacturing: (1) physical light shielding — the lipid membrane scatters and attenuates incident photons before they reach the encapsulated payload; (2) controlled aqueous release — gradual hydration and swelling rather than instant dissolution, supporting uniform blend distribution in wet-processing operations; (3) QC-verified consistency — EE% ≥ 80% and DLS particle sizing (80–300 nm) confirmed across every production batch.
KEY ADVANTAGES
1. Dual Loading Flexibility: 50% & 70%
Two standardized loading grades. 50% offers balanced, cost-efficient dosing for multi-active B-complex and multivitamin blends. 70% maximizes active per gram — enabling smaller capsules, fewer units per serving, and targeted high-dose riboflavin applications. Both grades share identical manufacturing, QC, and encapsulation protocols.
2. Light-Stable Processing
Riboflavin's photodegradation under UV/visible light is a known production bottleneck. Liposomal encapsulation provides intrinsic physical shielding. Measurable reductions in active-content loss during storage, blending, and tableting support batch consistency across extended production runs.
3. Industrial-Scale Batch Consistency
HPLC assay confirms 50% or 70% target loading. EE% and DLS particle sizing serve as additional QC checkpoints, verifying uniform liposome dimensions and genuine encapsulation quality batch to batch. CoA issued upon every shipment.
4. Multi-Format Production Compatibility
Free-flowing powder integrates into capsule filling, direct-compression tableting, dry powder premixes, and stick-pack operations. Compatible with other B vitamins (B1, B3, B6, B12), minerals, amino acids, and botanical powders in multi-component blends.
QUALITY VERIFICATION
1. HPLC Active Assay
Every batch tested to confirm 50% or 70% riboflavin loading. Batch-specific CoA provided with each shipment.
2. DLS Particle Size Analysis
Confirms stable liposome formation (80–300 nm) upon rehydration, verifying uniform nano-scale vesicle dimensions across production lots.
3. Encapsulation Efficiency (EE%)
EE% ≥ 80% measured by dialysis/HPLC method, confirming genuine liposomal encapsulation rather than simple physical blending with phospholipids.
4. Heavy Metal & Microbial Screening
Full compliance: Pb ≤ 10 ppm, As/Cd ≤ 1 ppm, Hg ≤ 0.1 ppm; TPC / Yeast & Mold per USP; E. coli and Salmonella negative per 25g.
FUNCTIONAL ROLES
1. Energy-Yielding Metabolism
Riboflavin is the dietary precursor to coenzymes FMN and FAD — essential components of the mitochondrial electron transport chain and fatty acid β-oxidation. A foundational ingredient in energy-support and metabolic-health supplement lines.
2. B-Complex Core Ingredient
As one of eight essential B vitamins, riboflavin is a staple across B-complex, multivitamin, and prenatal formulations. Consistent, high-volume demand across the supplement manufacturing sector.
3. Antioxidant Network Partner
FAD is the required cofactor for glutathione reductase — the enzyme regenerating reduced glutathione (GSH). Naturally paired with Vitamin C, Vitamin E, and selenium in comprehensive antioxidant supplement formulas.
4. Skin & Mucosal Health Nutrient
Contributes to the maintenance of normal skin and mucous membranes. Established ingredient in beauty-from-within, dermatological-nutrition, and skin-wellness supplement formulations.
INDUSTRIAL APPLICATIONS
1. Bulk B-Complex Capsules
50% grade is the primary option for multi-component B-complex encapsulation. Compatible with high-speed filling lines alongside B1, B3, B6, B12, biotin, and folate at 200–400 mg fill weights.
2. High-Potency Riboflavin Singles
70% grade enables 100 mg active per capsule with a compact fill weight — reducing capsule size, improving consumer compliance, and optimizing packaging-to-active ratios.
3. Functional Beverage Premixes
Compatible with dry premix formats for stick packs and sachets. Liposomal carrier supports uniform dispersion upon reconstitution, addressing content-uniformity concerns for water-soluble vitamins.
4. OEM / Private Label Formulas
Ready-to-encapsulate or ready-to-blend for energy-support, B-complex, beauty-from-within, and metabolic-health private-label supplement lines.
OEM & PACKING

OEM

CERTIFICATES

TRANSPORTATION

PACKAGING
TECHNICAL FAQ
Q1: What is the monthly production capacity for bulk liposomal Vitamin B2 orders?
Our line supports multi-ton monthly output across both 50% and 70% grades. For capacity allocation, lead times, and volume pricing by grade, contact our sales team with your projected annual requirements.
Q2: Can you customize the riboflavin loading percentage?
Yes. Custom loading specifications beyond 50% and 70% are available for qualified large-volume OEM projects. Minimum order quantities and formulation development lead times apply.
Q3: How is light-protective encapsulation verified batch to batch?
Every batch undergoes HPLC assay to confirm target loading, EE% measurement to verify genuine encapsulation, and DLS particle sizing to confirm uniform nano-scale vesicle dimensions (80–300 nm). Light-protective packaging (amber foil, nitrogen-flushed) is standard for all grades. Batch-specific CoA issued upon every shipment.



