NEW YORK - s4story -- Amid the rapid evolution of global direct selling, brand innovation, e-commerce, and AI, the world's top five direct selling companies in 2025—including Amway, Herbalife, Atomy, Market America, and Nu Skin—are navigating new industry challenges. Experts predict that the next 50 years will see major shifts in direct selling models, and one book—Health Supplement Sales Bible: Secrets of Champions(中譯:保健食品銷售聖經) is at the center of this transformation. Published by ACROSS AGES(中譯:新時代媒體) and authored by WILSON.T, CEO of a multinational biomedical company with extensive international business experience, the book draws from real-world leadership in building billion-dollar enterprises.

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Within just six months, the book has sold over 60,000 copies, becoming the go-to training material for direct selling companies and high-performing teams worldwide. It is widely adopted by global teams for prospecting, organizational development, and mastering health supplement sales techniques. According to the Direct Selling Association (DSA) and industry media, the top five companies generated over $80 billion in revenue in 2024, serving more than 100 million members. Professionalization, consultative service, and trust-based management have become the mainstream.

Sales legend Zig Ziglar's famous advice—"Stop selling. Start helping."—is fully reflected in the approach taken by the Health Supplement Sales Bible. Industry leaders like former Herbalife CEO Michael O. Johnson and global direct selling authority Randy Gage share similar views on product expertise, ethical business, and duplicable systems. Asia-Pacific direct selling consultant David Lin reports that his team has mobilized over 10,000 members to adopt the book, helping them build long-lasting, sustainable businesses.

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Today, the Health Supplement Sales Bible is recognized across the U.S., Southeast Asia, Europe, and Chinese-speaking markets by major organizations and industry media as the leading resource for team upgrading and new market development. In the next 50 years, those who master consultative selling and trust-based leadership will define the next generation of market leaders.