Compare independently assessed manufacturers, testing labs, and packagers, with each profile's limits in plain view. Then request a free RFQ.
380+ vendors assessed in our six-check review across 9 supply chain categories. Every profile documents what we could not confirm. See how we assess →
Share your dosage form, quantity, and certifications. A person reviews every request.
Explore the full supplement supply chain, from raw ingredients to finished product fulfillment.
Private label and custom supplement production.
134 vendors
Branded and bulk ingredients, with COAs.
88 vendors
Identity, potency, purity, and stability testing.
13 vendors
Warehousing and order fulfillment for supplements.
10 vendors
Formula design from concept to production.
10 vendors
Bottles, pouches, closures, and labels.
75 vendors
Label claims, FDA and FTC compliance, certifications.
19 vendors
Flavor systems and taste masking.
31 vendors
LTL, parcel, and freight brokers for supplement brands.
31 vendors
Independently assessed supply chain partners for dietary supplements.
CONTRACT MANUFACTURING
Commack, New York
Turnkey manufacturer for startup brands, with stock private label formulas and order fulfillment.
OUR REVIEW COVERS
4/6 cleared
MOQ
500 units (stock, private label)
LEAD TIME
From 4 weeks
CONTRACT MANUFACTURING
Valencia, California
Manufacturer of capsules, tablets, powders and gummies with an in-house microbiology lab for emerging brands.
OUR REVIEW COVERS
3/6 cleared
MOQ
2,500 units
LEAD TIME
8-10 weeks
CONTRACT MANUFACTURING
West Caldwell, New Jersey
Maker of capsules, powders and specialty tablets, including effervescent and orally disintegrating forms.
OUR REVIEW COVERS
4/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
CONTRACT MANUFACTURING
Santa Ana, California
High-volume maker of softgels, including vegetarian, plus tablets, capsules, gummies, powders and liquids.
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
CONTRACT MANUFACTURING
Largo, Florida
Full-service manufacturer of all major dosage forms with a catalog of stock private label products.
OUR REVIEW COVERS
4/6 cleared
MOQ
From 1,000 bottles (stock tablets)
LEAD TIME
8-10 weeks (new customers)
CONTRACT MANUFACTURING
Cerritos, California
Softgel and gummy manufacturer that developed a marine-sourced alternative to bovine and porcine gelatin.
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
TESTING LABS
Des Moines, Iowa
Lab network testing supplements for identity, potency, purity and contaminants, plus shelf-life studies.
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
5-10 business days (standard)
TESTING LABS
Ann Arbor, Michigan
Not-for-profit organization testing supplements for label accuracy, contaminants and banned substances.
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
FULFILLMENT 3PL
Chicago, Illinois
Ecommerce fulfillment provider with temperature-controlled supplement warehouses and lot and expiry tracking.
OUR REVIEW COVERS
3/6 cleared
MOQ
No published minimum
LEAD TIME
Same-day or next-day (in-stock orders)
FULFILLMENT 3PL
Carol Stream, Illinois
Fulfillment warehouses handling subscription, retail distribution and DTC orders with lot tracking.
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Same-day or next-day shipping
Explore our directory of independently assessed supply chain partners. Filter by certifications, capabilities, and location.
Review detailed profiles with third-party certifications, documented limitations, and a transparent assessment approach for every profile.
Tell us about your project and Greg will personally review your inquiry to help you find the right partners.
Naturopathic Advisor at Inventory Ready
Licensed primary care physician practicing naturopathic medicine with over 20 years of clinical experience in nutrition, herbal medicine, and dietary supplement protocols, plus supplement R&D and formulation work for national manufacturers. Reviews Inventory Ready's technical content for accuracy.
Read full profile →Reference material for evaluating supplement manufacturers and understanding compliance.
Manufacturers ranked by confirmed certifications and transparency.
Read guide →COGS, margin targets by channel, and pricing math.
Read guide →Testing labs ranked by confirmed accreditations and transparency.
Read guide →What a first protein powder run costs and takes.
Read guide →Per-unit pricing by dosage form, hidden costs, and MOQs.
Read guide →Which tests Part 111 requires and how to read a COA.
Read guide →How your claims set the FDA pathway for a nutrition drink.
Read guide →The cGMP rules for dietary supplements, in plain language.
Read guide →Where to sell online: the platform trade-offs for a 2026 launch.
Read guide →An independent directory of dietary supplement supply chain partners, from contract manufacturers and ingredient suppliers to testing labs, packagers, 3PLs, and regulatory consultants. Every vendor is assessed against the same published criteria, and each profile lists what we could not confirm.
No. As of August 2026, all listings are free and independently assessed.
Six checks: independent confirmation, how recent the data is, sources we traced, right to respond, what they told us, and what we don't know. The full method is on our How We Assess page.
Regulatory updates, new manufacturer assessments, and tool launches. No spam.
Describe your supplement project and Greg will personally review your inquiry to connect you with the right supply chain partners.
380 vendors assessed across 9 categories. Each evaluated against our published assessment method.