Langchu ,Trustworthy by Nature

No Gimmicks, Just Purity & Reliability — We Supply Calcium, Magnesium, Zinc salts, plants extract/powder , amino acid & More

High-Quality Supplement Ingredients — From Our Factory to Your Trust

Founded in Penglai, Shandong, Langchu is a top-tier GMP/ISO-certified B2B supplement ingredients factory—your go-to source for bulk calcium supplements(calcium citrate , calcium gluconate , calcium glycerophosphate ,calcium threonate), high-purity magnesium raw materials ( magnesium bisglycinate, magnesium gluconate, magnesium citrate , magnesium malate), zinc supplements(zinc citrate , zinc gluconate ,zinc picolinate ), and custom nutrient formulations. We specialize in supplying global brands, dietary supplement manufacturers, and distributors with premium mineral ingredients, delivering uncompromising purity (lab-tested ≥99%), traceable sourcing, and rock-solid bulk supply chains. Our game-changing advantages for B2B partners: flexible MOQs (starting from 100kg), factory-direct pricing (cutting out middlemen), fast custom formulation development, and on-time global logistics (via Qingdao/Shanghai ports). With over 20 years in the dietary supplement ingredients industry, we don’t just sell raw materials—we provide tailored bulk supply solutions to fuel your production efficiency and product competitiveness. Whether you’re sourcing reliable mineral ingredients, scaling up bulk orders, or needing cost-effective custom blends, Langchu is your trusted B2B partner for supplement ingredients that drive results.

OUR PRODUCTS

Minerals(Ca/Mg/K/Zn/Na/Cr/Mn) , Amino Acids , Plant Extracts ,Soft/Hard Capsules

Our Services

We focus exclusively on mineral ingredient supply—and we perfect it. Premium magnesium/calcium/zinc formulations, faster turnaround, and expertise no general suppliers can match.