Independent assessments of manufacturers, ingredient suppliers, testing labs, packagers, and more. Published method. Transparent limitations. No hidden affiliations.
381+ vendors assessed in our six-check review across 9 supply chain categories. Every profile documents what we could not confirm. See how we assess →
Inventory Ready Promotion
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.
135 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.
OUR REVIEW COVERS
4/6 cleared
MOQ
500 units (stock/private label); custom-formula minimum not published (site directs to a call)
LEAD TIME
4 weeks (fastest published turnaround, not a typical range)
OUR REVIEW COVERS
3/6 cleared
MOQ
2,500 units
LEAD TIME
8-10 weeks (capsules and powders; varies by ingredient sourcing)
OUR REVIEW COVERS
4/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
OUR REVIEW COVERS
4/6 cleared
MOQ
Varies by formula. Stock: 2,500-5,000 bottles per SKU per its FAQ, though stock tablets can run as low as 1,000 bottles depending on formula. Custom: 2,500-5,000 bottles (capsules/tablets/liquids), 2,500 bottles per flavor (powders), 10,000-16,000 bottles (gummies)
LEAD TIME
8-10 weeks (new customers, from label reception), 6-8 weeks (reorders with labels in house)
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
5-10 business days (standard), varies for stability
OUR REVIEW COVERS
3/6 cleared
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
OUR REVIEW COVERS
3/6 cleared
MOQ
No public minimum (contact for pricing tiers)
LEAD TIME
Same-day or next-day shipping for in-stock orders
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.
A framework for assessing contract manufacturers for dietary supplements. What to ask, what to verify, and what red flags to watch for.
Read guide →Dietary supplement contract manufacturers ranked by independently confirmed certifications and information transparency. Published method.
Read guide →Dietary supplement testing laboratories ranked by independently confirmed accreditations and service transparency. Published method.
Read guide →Dietary supplement packaging and labeling companies assessed for capabilities, certifications, and information transparency. Published method.
Read guide →Real cost breakdowns for contract manufacturing dietary supplements. Per-unit pricing by dosage form, hidden costs, and how MOQs affect your budget.
Read guide →Capsules vs tablets vs powders vs gummies vs softgels vs liquids. A decision framework based on ingredients, cost, MOQ, consumer preference, and stability.
Read guide →A plain-language guide to Current Good Manufacturing Practice (cGMP) requirements for dietary supplements under 21 CFR Part 111.
Read guide →FDA warning letters, FTC penalties, recalls, and cGMP violations. Real enforcement examples and how to protect your brand from compliance failures.
Read guide →FDA labeling requirements for dietary supplements. Supplement Facts panel rules, structure/function claims, common labeling mistakes, and state-level requirements.
Read guide →Identity testing, potency, purity, microbial, heavy metals, and stability. How to read a Certificate of Analysis and what 21 CFR Part 111 requires.
Read guide →Official-source snapshot of the 2026 federal supplement regulatory landscape, including S.3677, H.R.7366, FTC penalty updates, and current FDA and FTC claims rules.
Read guide →Official-source snapshot of the tariff programs affecting supplement imports in 2026: active Section 301 duties, the temporary Section 122 surcharge (entries February 24 through July 23, 2026), the struck-down IEEPA reciprocal rates, and the successor Section 301 actions.
Read guide →What to look for in a third-party logistics provider for dietary supplements. FDA requirements, temperature control, lot traceability, hidden fees, state restrictions, and questions to ask before signing.
Read guide →A buyer-side guide to reading Certificates of Analysis for dietary supplements. What each section means, what passing looks like, and when to push back on your manufacturer.
Read guide →Why every supplement brand needs a quality agreement before production starts. What to include, what to negotiate, and how this document protects your brand when things go wrong.
Read guide →A decision framework for supplement certifications. Which are legally required, which consumers care about, what they cost, and how to prioritize when budget is limited.
Read guide →Six supplement certification programs compared by scope, sample source, transparency, and independence. Decision tree for Amazon, athletic, and pharmacy channels. Practical verification steps.
Read guide →A practical guide to evaluating ingredient suppliers for dietary supplements. How to verify quality, build dual-source relationships, and reduce supply chain risk.
Read guide →A guide to the supplement formulation process. Custom vs private label, development stages, working with a formulation scientist, costs, and common mistakes.
Read guide →A guide to structure/function claims under DSHEA. Legal boundaries, FDA notification, FTC advertising standards, and common claims mistakes for dietary supplement brands.
Read guide →A step-by-step guide to your first supplement production run. What happens before, during, and after manufacturing, common first-run problems, and realistic timelines.
Read guide →A guide to Proposition 65 compliance for dietary supplement brands. Which chemicals matter, testing options, warning label requirements, and why it affects brands selling outside California.
Read guide →Amazon's 2026 supplement requirements: cGMP verification from approved labs, claims alignment rules, category-specific testing, and how to avoid listing deactivation.
Read guide →A phase-gated checklist for launching a dietary supplement brand. Business formation, product development, compliance, production, and go-to-market steps with realistic timelines.
Read guide →The most common reasons supplement brands fail, from undercapitalization and regulatory ignorance to weak formulations and cash flow problems. Research-backed analysis with real examples.
Read guide →A pricing framework for supplement brands. COGS breakdown by dosage form, margin targets by sales channel, pricing math, and common mistakes that destroy profitability.
Read guide →How supplement manufacturing's cash flow cycle works: long lead times, large deposits, and reorder timing. A practical guide to managing working capital for dietary supplement brands.
Read guide →How to manage inventory for dietary supplements. FEFO rotation, shelf life tracking, reorder point calculation, storage requirements, and reducing expired stock write-offs.
Read guide →A guide to selecting a third-party testing lab for dietary supplements. ISO 17025 accreditation, test types, comparing quotes, and building a long-term lab relationship.
Read guide →Federal requirements for dietary supplement adverse event reporting. The 15-business-day rule, serious vs non-serious events, MedWatch filing, and building an AE response process.
Read guide →What FDA inspectors look for at supplement manufacturing facilities. Form 483 observations, warning letters, documentation preparation, and the brand owner's role during an inspection.
Read guide →How FDA workforce reductions are reshaping supplement manufacturing oversight. What verification signals brands should demand and which manufacturer red flags matter more when routine inspections decline.
Read guide →A quarterly framework for ongoing supplement compliance. FDA registration renewal, cGMP audits, stability data review, insurance renewal, and monthly monitoring tasks.
Read guide →The legal threats facing supplement brands: Prop 65 bounty hunter lawsuits, labeling class actions, claims challenges, and how to protect your brand through testing, documentation, and insurance.
Read guide →What causes dietary supplement recalls: contamination, mislabeling, undeclared allergens, and adulteration. Recall classes, the recall process, financial impact, and a prevention framework.
Read guide →A practical guide for outsiders entering the supplement industry. Real costs, timelines, what manufacturers handle vs what you own, and how to start without a science degree.
Read guide →A comparison of the four paths to supplement manufacturing: dropshipping, white label, private label, and custom formulation. Costs, timelines, margins, and when each option makes sense.
Read guide →Evaluate your readiness to work with a contract supplement manufacturer. Get a personalized checklist and guide recommendations based on your product, budget, and timeline.
Read guide →The FTC standard for Made in USA claims on dietary supplements. What 'all or virtually all' means, why 70-75% of ingredients come from China regardless, and how to evaluate quality beyond country of origin.
Read guide →What to evaluate when selecting a supplement packaging provider. The CM-bundled vs. separate packaging decision, six evaluation criteria, real cost ranges, and questions to ask before committing.
Read guide →What to evaluate when selecting a formulation scientist or R&D partner. The formulator vs. CM distinction, IP ownership, stability testing, cost expectations, and questions to ask before committing.
Read guide →Current Good Manufacturing Practices (cGMP) for dietary supplements are FDA regulations at 21 CFR Part 111. This guide covers what cGMP includes, why FDA does not certify cGMP, and how to verify a manufacturer, with direct links to primary sources.
Read guide →A supplement preorder campaign validates demand before you commit capital to inventory. Here is how to structure a preorder, what conversion to expect, and the compliance guardrails.
Read guide →Nootropics marketing sits in an FTC-enforcement-heavy lane. Here is the private label business mechanics, the ingredients to know, and the claim rules that keep new brands out of trouble.
Read guide →Protein powder launches run $15,000 to $60,000 for a first production run. Whey is cheaper and simpler. Plant protein needs a more careful formulation pass. Here is what it takes to launch a competitive protein brand.
Read guide →Supplement packaging choices affect shelf life, regulatory compliance, and consumer safety. Here is the practical decision framework for caps, liners, and seals across capsule, powder, and liquid formats.
Read guide →Supplement manufacturing runs through seven stages: formulation, sourcing, testing, blending, dosage, packaging, and release. Each stage has compliance checkpoints under 21 CFR 111. Here is what happens at each.
Read guide →Local U.S. supplement manufacturing runs 30 to 60 percent higher in unit cost but simplifies FDA compliance and audit access. A decision framework for supplement brand founders.
Read guide →Functional beverages typically classify as food under FDA rules rather than as dietary supplements, though the classification depends on the product's total presentation. The right path for a new brand runs through 21 CFR Part 117 compliance, GRAS ingredient selection, and cold-chain logistics planning.
Read guide →Private label supplement manufacturing runs 4 to 8 weeks. Custom formulations take 8 to 16 weeks. A realistic planning guide for brand founders, with timelines by product type, factors that cause delays, and how to reduce them.
Read guide →Nutrition drinks classify as food, medical food, or dietary supplement depending on your claims. The right classification determines your FDA pathway, label rules, and launch timeline. Here is the decision framework.
Read guide →Amazon carries the largest supplement brand owner audience but the strictest compliance rules. Shopify offers full brand control at higher marketing burden. Here is the realistic platform trade-off for a 2026 launch.
Read guide →Third-party supplement testing verifies identity, potency, contaminants, and label accuracy through accredited independent laboratories. This guide covers what reputable programs actually verify, how 21 CFR Part 111 applies, and which certification programs matter, with direct links to program websites for current fees.
Read guide →A compliant Supplement Facts label under 21 CFR 101.36 must include serving size, declared dietary ingredients with daily values, and the DSHEA disclaimer on any structure/function claim. Here is the full element list with direct links to FDA and eCFR primary sources.
Read guide →A typical supplement manufacturing quote splits across six line items. Raw materials run 40 to 55 percent. Packaging and testing each run 10 to 20 percent. Here is how to read and compare real quotes.
Read guide →Capsules win on cost, speed, and consumer preference for most emerging brands. Tablets win on dose density, shelf stability, and per-unit economics at scale (above 25,000 units). Decision framework for under-800mg formulations + MOQ < 10,000.
Read guide →Realistic launch budgets by form factor (capsules / tablets / gummies) for a single SKU at 5,000 units. Capsule floor is approximately $14,200; gummy floor is approximately $31,000. Honest split across formulation, production, packaging, and third-party batch testing.
Read guide →Seven capsule contract manufacturers ranked by IR's transparency-weighted score against confirmed third-party certifications, published commercial transparency, and editorial disclosure discipline. Methodology, scoring, per-vendor limitations, and the unpaid-listing disclosure are stated inline on the page.
Read guide →A wellness practitioner's path from selling someone else's supplements to creating a practice-aligned brand. Business model, transition logistics, and what changes about your manufacturer relationship.
Read guide →What it actually costs to launch a private-label supplement in 2026: per-unit, MOQ, packaging, compliance, insurance, and the hidden costs first-time brands miss.
Read guide →First-time supplement brand owners often think the hardest part is formulation. It isn't. Here is what actually derails launches and what feels overwhelming but isn't.
Read guide →An RFQ is how you ask a contract manufacturer for a price and terms. Here is exactly what to put in your first one, what to ask, the red flags in a reply, and why following up is the step most brands skip.
Read guide →How to choose a third-party logistics partner for a supplement brand: what a specialized 3PL must do, how pricing and hidden fees really work, and the FDA holding rules that still make compliance your responsibility.
Read guide →A branded ingredient is a licensing relationship, not just a raw material. Five checkable criteria tell you when the premium makes sense for your supplement brand.
Read guide →How a supplement brand chooses a freight forwarder. Parcel vs LTL, the 2025 NMFC density change, verifying broker authority and the $75,000 bond, cargo-claim rules, and cold-chain tendering.
Read guide →How supplement flavor development works, from the brief to production. Masking bitter actives, natural vs artificial flavor rules under 21 CFR 101.22, FEMA GRAS, sensory testing, and who owns the formula.
Read guide →A working RFQ template for supplement brands: what to include about your product, the information to request from every contract manufacturer, and an evaluation checklist built from years of real sourcing rounds.
Read guide →A working 3PL request-for-quotation template: how to define the services you need, the operational details a 3PL needs from you, the full fee schedule to request, and the supplement-specific requirements most brands miss.
Read guide →The questions that vet a supplement manufacturer or 3PL: what to research before first contact, what to ask in the RFQ process, and the questions they will ask you back, with guidance on preparing answers.
Read guide →A ready-to-run inventory visibility SOP for supplement brands: a weekly stock review checklist, reorder point math built on review period plus lead time, an escalation matrix template, and a promo drain rule. Works on a spreadsheet.
Read guide →Inventory Ready is an independent directory for evaluating dietary supplement supply chain partners, from contract manufacturers and ingredient suppliers to testing labs, packaging companies, fulfillment providers, and regulatory consultants. We assess vendors using a published method and document limitations for every profile.
Inventory Ready assesses vendors independently against published criteria, and the same framework applies to every vendor we list. Each profile includes a Limitations section documenting what we could not confirm.
No. As of August 2026, all listings are free and independently assessed.
Our review covers 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. Every manufacturer goes through the same framework. The full method is published 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.
381 vendors assessed across 9 categories. Each evaluated against our published assessment method.