wHO we Are

Puzzle-Business.us is a specialized division of Optimal Solidus Operations, established to support international dietary supplement and pharmaceutical manufacturers seeking to enter, operate, and expand within the United States market.
We provide a unique combination of regulatory expertise and commercial market access, acting as both your FDA U.S. Agent and your strategic partner for brand expansion.

Our Role

We guide manufacturers through FDA Facility Registration, import compliance, labeling requirements, and Prior Notice filing. Beyond regulatory support, we actively represent your brand, identify sales opportunities, and build a network of qualified sub-agents and distributors across the U.S.

Our Story

Puzzle-Business.us was created to solve a real problem that international dietary supplement and pharmaceutical manufacturers face: entering the U.S. market is complicated, regulated, and highly competitive. Most companies struggle with FDA requirements, import regulations, and the search for reliable sales partners, often losing time, money, and opportunities.
We built Puzzle-Business.us to change that.
Our story is simple: We help Dietary Supplements and Pharmaceuticals brands enter the U.S. market the right way and grow once they’re here.

Puzzle-Business.us

A division of Optimal Solidus Operations trusted by global brands

Mission

To provide international Dietary Supplements and Pharmaceuticals manufacturers with a seamless, compliant, and strategic pathway into the U.S. market by combining regulatory expertise with real commercial representation.

VISION

To become the leading U.S. market access partner for global Dietary Supplements and Pharmaceuticals brands, known for reliability, transparency, and long-term growth support.
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Values

Integrity • Compliance • Growth • Partnership • Professionalism
Support international dietary supplement and pharmaceutical manufacturers seeking to enter and grow within the United States.
Puzzle-Business.us

Begin Your U.S. Market Expansion Today

Connect with our team to start registration, compliance review, or distribution planning.

Our Mission

To provide international dietary supplements & pharmaceutical manufacturers with a seamless, compliant, and strategic pathway into the U.S. market by combining regulatory expertise with real commercial representation.

Useful Links

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How It Works

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Services

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FDA U.S. Agent

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Import Compliance
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Label Review
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Market Entry Strategy
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Brand Representation

Contact info

Info@puzzle-business.us

+1 (224)‑527‑8800

332 S. Michigan Avenue, Suite 900, Chicago, Illinois 60604
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