July 21, 2025 | By GSL Business Development
Why Using Fulfilled By Amazon (FBA) Is Essential for Supplement Brand Success on Amazon
For dietary supplement brand owners navigating the competitive landscape of Amazon, choosing the right fulfillment strategy can make or break your success. One of the most powerful tools available is Fulfilled by Amazon (FBA)—a program that allows sellers to store their products in Amazon’s warehouses while Amazon handles the picking, packing, shipping, customer service, and even returns.
Here’s why using FBA is a smart and strategic move for supplement brands aiming to scale efficiently and dominate their niche on Amazon.
1. Prime Eligibility Drives Higher Conversions
FBA products automatically qualify for Amazon Prime, giving your supplements a major edge in visibility and conversion. Prime members—over 200 million globally—expect fast, free shipping. Being part of the Prime program boosts your chances of winning the Buy Box and significantly increases customer trust, leading to higher click-through and conversion rates.
2. Faster Delivery Improves Customer Experience
Amazon’s logistics infrastructure is world-class. By leveraging FBA, your supplement products are stored close to major customer hubs, enabling same-day or two-day delivery in many areas. This speed meets rising consumer expectations, especially for health-related products where customers want results—and fast.
3. Amazon Handles Customer Service and Returns
Running a supplement brand is already complex—don’t add shipping headaches to your plate. FBA takes the pressure off your team by managing customer service, returns, and replacements. This allows you to focus on product innovation, marketing, and growth while Amazon ensures a smooth post-purchase experience that boosts customer satisfaction and brand loyalty.
4. Better Rankings Through Inventory Performance Metrics
FBA sellers benefit from higher inventory performance scores and faster shipping metrics, both of which can positively influence your organic ranking on Amazon. With faster delivery speeds and better in-stock rates, your listings become more attractive to both customers and Amazon’s algorithm.
5. Scalability Without Infrastructure Costs
As your supplement business grows, so do the logistical demands. FBA eliminates the need for your own warehouse space, shipping staff, or order management system. Whether you’re selling 10 units a day or 10,000, Amazon’s network can scale with you—without upfront capital investment in fulfillment infrastructure.
6. Access to Global Markets Through Amazon FBA Export
FBA makes international expansion more accessible. With FBA Export and the Amazon Global Selling program, your supplement products can be offered to customers around the world—without dealing with complex customs procedures or setting up international shipping on your own.
7. Enhanced Credibility and Customer Trust
When customers see that a product is “Fulfilled by Amazon,” they associate it with Amazon’s customer service guarantee. This adds a layer of trust that can be especially valuable for new or lesser-known supplement brands entering the marketplace.
8. Opportunity to Win the Amazon Buy Box
The Buy Box is where the majority of Amazon sales happen. FBA products are far more likely to win this coveted real estate because Amazon favors sellers with fast fulfillment, reliable inventory, and excellent service metrics—all of which are built into the FBA program.
Key Takeaway
Choosing Fulfilled by Amazon isn’t just a logistical decision—it’s a strategic growth accelerator. For supplement brand owners who want to boost visibility, gain customer trust, and scale operations without building their own fulfillment network, FBA offers a clear competitive advantage.
By offloading shipping, customer service, and returns to Amazon, you free up resources to focus on what matters most: building a high-quality brand, innovating with new formulations, and optimizing your marketing for profitable growth.
In the Amazon supplement space, speed, trust, and operational efficiency win. FBA delivers all three.
How Green Star Labs Can Help
If you’re in the early stages of building your brand or securing a trademark, consider working with a partner who understands the supplement industry and Amazon compliance. Investing in Brand Registry today can save you thousands in lost revenue and reputation damage tomorrow.
In today’s competitive Amazon marketplace, success hinges on more than just a great idea — it requires expert formulation, trusted certifications, and scalable manufacturing. That’s where Green Star Labs, Inc. stands out as your ideal manufacturing partner.
At Green Star Labs, we specialize in helping supplement brand owners develop and manufacture best-selling products that meet Amazon’s stringent quality standards and consumer expectations. Our certified cGMP, NSF, and Organic manufacturing facilities ensure your products are produced with integrity, safety, and transparency — credentials that matter more than ever to Amazon’s algorithm and your customers.
Whether you’re launching a new product or optimizing an existing formula, our team offers full-service support including:
Custom Formulation & Flavor Development
Capsules, Tablets, Gummies, Powders, and Liquid Formats
Compliance Labeling for Amazon Requirements
Speed-to-Market Manufacturing Turnarounds
Organic, Non-GMO, and Allergen-Free Capabilities
With a proven track record of helping brands scale to 7- and 8-figure sales, we understand the nuances of what sells — and how to make it efficiently and compliantly.
Let Green Star Labs power your next Amazon best-seller.
Contact us today to start building your competitive advantage.
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FDA Disclaimer: Content published in our Nutraceutical Market Trends blog is for educational purposes and is not intended to represent medical advice. Our audience is B2B brand owners and customers who are interested in developing innovative nutraceutical products. Content that may indicate specific health claims for ingredients or delivery systems has not been evaluated by the FDA. Dietary supplement products manufactured by Green Star Labs, Inc. are not intended to diagnose, treat, cure or prevent any disease.
Green Star Labs Equipment and Capabilites
Gummies
Gummy Full-Scale Starchless Manufacturing
- Pectin Based – Vegan, Sugar and Sugar-Free custom formulations
- Standard 4.5g Squares and Custom Molds
- Multiple production lines – 100,000 to 500,000 Pieces per Shift @ 4.5g
- Examples: Lion’s Mane/Cordyceps Focus Gummies, Melatonin-less Sleep Gummies, CBD Relax and Revive Gummies, Apple Cider Vinegar Gut Health Gummies, Ashwagandha Adaptogen Gummies, Sugar-Free Creatine Gummy
Small-Scale Gummy R&D
- Testing the Market, Developing Flavor Profiles, Troubleshooting and problem solving product challenges.
- Examples: Developing SOP and Formulations for Creatine Gummies, Flavor Masking Caffeine and Cannabinoids
Gummy Co-Packing
- 5 – 150ct Pouches Packaged in-line – Up to 14,000 pouches per shift @ 5ct .
- 20 – 90ct Bottles Packaged in-line – Up to 8000 bottles per shift @ 30ct .
- Examples: 5 and 20ct Snoop Pouches, 30ct Top Fungi Jars, 60ct Fndmntl ACV Jars, 120ct Novos Pouches.
Capsules & Tablets
Capsule Full-Scale Starchless Manufacturing
- Tooling for Size 1, 0, 00 shells (HPMC Standard)
- Multiple Encapsulators – 60,000 to 1.1M per shift
- Examples: NAD+ Precursor Supplements, Joint Health, Curcumin and Herbal Blends
Small-Scale Capsule R&D
- Piloting and Running Trials for efficacy or product performance
Tablet Full-Scale Manufacturing
- Tooling for 10mm, 14mm, 16mm, 26mm Diameter Punches
- 24 Station Press – up to 900,000 per shift
- Examples: Probiotic Tablets, Chewable herbal remedies, Calcium and mineral blends
Solid Dosage Co-Packing
- 10ct Blisters formed and sealed – then packaged in-line
- 15 – 120ct Bottles Packaged in-line – up to 20,000 per shift
Beverages
Ingestible Liquid Blending
- Low-Volume Blending through 1800L+ Batches
Bulk Liquid Co-Packing
- Packed into drums or pails upon request
RTD Shot Bottle Filling
- 2oz Cosmo Round Bottles @ ~ 10,000 – 15,000 units per shift pending full shrink
- Manufacturing Lines to Support Flexible Load Balance
RTD Beverage Bottle Filling
- 8, 12, 16oz and Greater Bottles @ ~ 10,000 units per shift pending full shrink
Cosmetics
Topical Cosmetic Blending
- 50L batch size for High-Viscosity Products: Creams, Gels, Masks
- 200L batch size for Low-Viscosity Products: Oils, Serums, Treatments
Bulk Cosmetic Co-Packing
- Packed into drums or pails upon request
Lotion Tube Filling
- Tooling available for 15ml (0.5oz) – 120ml (4oz) Lotion Tubes
- Variable Material Specifications
- Max Through-put 205 tubes/minute
Cosmetic Liquid Sachet Filling
- Liquid Sachets > 10g minimum sizing
- Max Through-put 20 sachets/minute
Cosmetic Bottle Co-Packing
- Variable characteristics and packaging specs acceptable
- Jars, Bottles, Airless Pumps, Plastic, Glass, Heat Induction Seal
Powders
Free-Flowing Powder Blending
- Low-Volume Blending through 350kg+ Batches
- Handles Herbals/Botanicals as well as mixed particle sizes
Large Scale Bulk Powder Co-Packing
- Packed from 10kg+ bags into boxes
Medium Scale Powder Filling
- 100g+ – 1kg Pouches and Cannisters
Single-Serving Sachet Filling
- Single Lane FFS machine auger fed powder blends
- 10+/minute run speed @ 30g sachets
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