Nature's Supplements Inc. handles every step — from sourcing premium ingredients to encapsulation, quality testing, labeling, and fulfillment. We specialize in small-batch orders so emerging brands get the same care as enterprise clients.
Founded in 1999 by Arturo and Gabriela Costilla, Nature's Supplements Inc. has grown from a small Carlsbad operation into a 20,000 sq/ft solar-powered facility in Oceanside, California — without ever losing the personal attention that defines a family business.
We specialize in the private label and contract manufacture of vitamins, minerals, botanicals, and nutritional supplements. Whether you're launching a single SKU or a full product line, our production team handles sourcing, blending, encapsulation, quality testing, and fulfillment under one roof.
Our Story →From raw ingredient sourcing to palletized delivery — we eliminate the complexity of multi-vendor supplement production.
We source the highest-quality organic and conventional raw materials from vetted, certified suppliers — domestic and international.
Learn more →Precise blending of multi-ingredient formulas, then encapsulated in gelatin or vegetable (HPMC) capsules in your specified size.
Learn more →Dual-stage testing: raw material inspection on intake, then finished-product testing before release. cGMP compliant throughout.
Learn more →Bottling, labeling, retail boxing, and palletizing. Ship via common carrier or pick up at our freight dock in Oceanside.
Learn more →Our streamlined process keeps you informed at every stage and ensures your product meets spec before it leaves our facility.
Start Your OrderSubmit your formula, target capsule size, serving size, and quantity. We confirm feasibility and provide a quote.
We procure your raw materials from qualified suppliers, verifying certificates of analysis (COA) before acceptance.
Ingredients are weighed and blended in our dedicated mixing room following cGMP procedures.
Pre-encapsulation testing confirms blend homogeneity, potency, and absence of contaminants.
Product is encapsulated in gelatin or vegetable capsules on our automated encapsulation lines.
Finished capsules are sampled, tested, and certified before any packaging begins.
Your product is bottled, labeled per your specifications, packed into retail boxes, and palletized.
We dispatch via common carrier to your distributor, or you can collect from our Oceanside freight dock.
A modern 20,000 sq/ft GMP-compliant facility powered by renewable solar energy in Oceanside, California.
Stainless-steel capsule filling machines operated in controlled-environment encapsulation cabins.
State-of-the-art testing equipment for identity, potency, and microbiological screening of every batch.
Ample storage for raw materials and finished goods, with a dedicated freight dock for outbound shipments.
We operate under FDA Current Good Manufacturing Practices (cGMP) and hold an NSF Certificate of Conformity. Every lot is traceable from raw ingredient through finished product — giving your brand and your customers complete confidence.
Seven critical criteria every brand owner must evaluate before signing a contract — from certifications to MOQs to turnaround time.
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Everything you need to know about two-piece hard shell capsules — materials, sizes, fill weights, stability, and formulation tips.
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A deep dive into what separates premium supplements from substandard ones — and why your manufacturing partner's QC process matters more than the label.
Read ArticleGet answers to the most common questions about private label supplement manufacturing, minimum orders, lead times, and compliance. Don't see yours? Contact us directly.
Full FAQ →Most orders are fulfilled within two weeks, depending on order size and raw material availability. Rush production may be available — contact us for details.
We specialize in small-batch production — one of our key differentiators. Contact our customer service team for the minimum quantity applicable to your specific formula and capsule type.
Yes. The FDA has regulatory authority over dietary supplements. We offer guidance on labeling requirements, cGMP documentation, and Supplement Facts panel development as part of our service.
Yes — we encapsulate in both gelatin (bovine or porcine) and HPMC (hydroxypropyl methylcellulose) vegetarian capsules in various sizes to suit your formula and market.
Our 20,000 sq/ft production facility is at 1342 Rocky Point Drive, Oceanside, California. Customers are welcome to visit and arrange freight dock pickups.
Join the brands that trust Nature's Supplements Inc. for consistent quality, fast turnaround, and honest partnership. Request your free quote today.
