Best Formulations (Sirio Americas)

City of Industry, CaliforniaReviewed Oct 9, 2026

Softgel manufacturer with gelatin, plant-based and enteric softgels, plus tablets, capsules and gummies.

MOQ: Not publicly disclosed
LEAD TIME: Not publicly disclosed

Overview

Best Formulations, founded in 1984, is a dietary supplement contract manufacturer in City of Industry, California. Sirio Pharma completed its acquisition of a majority stake in January 2023, and the US business now operates as Sirio Americas, alongside Sirio's manufacturing in Asia and Europe. Its softgel range covers gelatin, plant-based, tapioca and enteric-coated softgels, including formulas with probiotics and enzymes, and it also makes tablets, capsules, powders and gummies. NSF lists three manufacturing facilities in City of Industry. Its NSF/ANSI 455-2 GMP certification is confirmed in NSF's public listings; an FDA drug license, an NPA GMP certification and a Sport designation are self-reported and not confirmable in a public register.

cGMP (Current Good Manufacturing Practice)FDA Facility Registration MOQ (Minimum Order Quantity)NSF International Formulation Dosage Form

Certifications

1 of 5 certifications independently confirmed. What this means

FDA Drug License(Self-Reported)cGMP Compliant(Self-Reported)NPA GMP Certified(Self-Reported)NSF/ANSI 455-2 (GMP)(Confirmed)FDA Registered(Self-Reported)

Capabilities

PRODUCT TYPES: Softgels · Tablets · Capsules · Powders · Gummies
CAPABILITIES: Custom formulas · R&D or product development · Probiotics
DOSAGE FORMS: capsules · gummies · powders · softgels · tablets

Sources

Sirio Americas - Official Website (bestformulations.com now redirects here)(2026-10-09)
Sirio Americas - Softgels(2026-10-09)
Nutraceuticals World - Sirio Pharma to Acquire California-Based Contract Manufacturer Best Formulations (2022)(2026-10-09)
NSF GMP for Sport Designation (New Hope)(2026-03-12)
Sirio Pharma Acquisition (Nutritional Outlook)(2026-03-12)
NSF public listing - Sirio Nutrition (California) LLC (NSF/ANSI 455-2; three City of Industry facilities)(2026-10-09)

What we couldn't verify

We did not visit this company on site. See the limits that apply to every listing.

Financial stability tied to parent company Sirio Pharma (300791.SZ)
NPA GMP certification is self-reported; Best Formulations not found in NPA public certified companies directory as of 2026-10-09 (parent Sirio Pharma is listed)

Dietary supplement manufacturers must comply with 21 CFR Part 111 (cGMP). What Part 111 requires

Disclosures

Best Formulations is a subsidiary of Sirio Pharma Co., Ltd. (publicly traded: 300791.SZ)

The connection map between Best Formulations (Sirio Americas) and other vendors, capabilities, and certifications is in the manufacturer atlas.

Enforcement screening: included in Inventory Ready's most recent completed pass against FDA's published recall datasets (2026-07-09). Method and limits →

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