Vitamin B2 (Riboflavin) is a food-grade essential B-vitamin used for food fortification, supplements and as a natural yellow food colouring (E101).We supply bulk Vitamin B2 sourced from leading China manufacturers, available in powder form to meet global food industry demand. Our Vitamin B2 is widely used in beverage fortification, b-complex supplements, natural yellow food colouring, infant formula fortification and animal feed vitamin premix.
Vitamin B2 (riboflavin) is produced by microbial fermentation (Bacillus subtilis or Ashbya gossypii). It is essential for FAD and FMN coenzymes.
It supports energy metabolism, antioxidant defence (glutathione reductase), and red blood cell formation. Also used as a natural yellow food colouring. Poorly water-soluble in free form.
| Item | Specification |
|---|---|
| Appearance | Yellow to orange-yellow crystalline powder |
| Assay | ≥ 98.0% |
| Specific Rotation [α]D²⁰ | -120° to -140° |
| Loss on Drying | ≤ 1.5% |
| Residue on Ignition | ≤ 0.3% |
| Heavy Metals (as Pb) | ≤ 10 mg/kg |
Our MOQ for bulk food/feed ingredient is generally 500 kg. We also support mixed containers — combine Vitamin B2 with other food ingredients in one shipment to save on freight.
We provide free samples (100–500g) for quality testing before you place a bulk order. The buyer covers shipping costs only. Samples are typically dispatched within 2–3 business days.
Standard lead time is 7–15 days after order confirmation and payment. For stock items, delivery can be faster. We will confirm the exact timeline before you place the order.
You will receive the original COA (Certificate of Analysis), COO (Certificate of Origin), MSDS, TDS, and relevant certifications directly from the manufacturer. We guarantee full document authenticity and traceability.
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Whether you're sourcing bulk ingredients or mix container, contact our team for pricing, free samples, and technical support.