Private label supplement manufacturing in China
OEM supplements built for Amazon, TikTok Shop, DTC, and retail brands.
Rainwood helps overseas supplement brands develop gummies, capsules, powders, tablets, softgels, botanical extracts, and retail-ready packaging from one China-based manufacturing partner.
Manufacturing position
Formula, dosage form, packaging, documents, and export coordination in one OEM project.
Overseas buyers usually compare manufacturing capability, quality documents, sample speed, packaging flexibility, and channel fit before choosing a supplier.
- NSF 455-2 GMP
- ISO 22000
- HACCP
- ISO 9001
- HALAL
- USDA Organic
- EU Organic
Application demand
Explore product directions by application
Start with sports nutrition, sleep routines, beauty, gut health, GLP-1 companion nutrition, women's wellness, or functional beverage powders when the exact SKU is not decided yet.
Sports Nutrition
OEM product directions for brands developing creatine, hydration, protein, beetroot, amino acid, and active lifestyle supplement lines.
Sleep and Stress Support
OEM product directions for brands developing magnesium, melatonin-free night routines, calm gummies, botanical capsules, and day-night support sets.
Beauty and Healthy Aging
OEM supplement directions for collagen, HA, CoQ10, PQQ, NAD/NMN, polyphenols, and beauty-from-within product lines.
Gut Health
OEM product directions for brands developing probiotic, prebiotic, fiber, enzyme, colostrum, greens, and digestive wellness supplement lines.
Weight Management / GLP-1 Companion
OEM product directions for brands developing protein, fiber, electrolytes, gut comfort, muscle maintenance, and daily nutrition support lines.
Women's Wellness
OEM product directions for brands developing women 35+, perimenopause, bone and muscle, gut, beauty aging, and daily wellness product lines.
Functional Beverage / Food Powders
OEM product directions for brands developing matcha, mushroom coffee, acai, ube, beetroot, greens, sweetener systems, and visual drink powders.
Dosage forms at a glance
Simple format overview for fast buyer scanning
Rainwood can support common finished-product formats. Buyers can click any format to view the detailed dosage-form page.
Buyer scenarios
Match sourcing priorities to the buyer channel
Amazon sellers, TikTok Shop brands, DTC brands, and importers each need different packaging, documents, sample speed, and supply planning.
Amazon Supplement Brands
Build private label supplements with packaging, label, barcode, carton, and FBA delivery requirements in mind.
TikTok Shop and Creator-Led Brands
Move from trend concept to sample quickly with formats that fit short-form content, bundles, and repeat purchase.
DTC Wellness Brands
Develop finished supplements for Shopify, subscription, influencer, and content-driven wellness businesses.
Distributors and Importers
Support multi-SKU procurement, documentation, bulk pricing, and stable supply for regional distributors.
OEM workflow
A practical path from concept to shipment
A clear process helps buyers prepare formula, packaging, target market, and quantity details before sampling and quotation.
Share your product concept, dosage form, target market, and expected launch channel.
Confirm formula direction, active ingredients, flavor, packaging, MOQ, and sample requirements.
Receive sample, quote, label support, testing plan, and production timeline.
Approve production details, complete manufacturing, arrange documents, and ship to your warehouse or FBA route.
Inquiry path
Send product type, target market, quantity, and packaging needs.
Rainwood can reply with feasibility, sample direction, packaging options, and next-step questions.