About Us


Best in Nature Office in Pomona, CA

cGMP Certified Manufacturing Facility

Diamond Nutriceutical, Inc., dba Best in Nature ®, is a California registered health and dietary supplement company with Food and Drug branch, Health Department license number # 46015. We sell quality products nationwide and internationally.

Self-improvement, self-care, and natural remedy are today’s health focuses. Best in Nature® is committed to your health and quality of life. With unrelenting attention to product quality, scientific research and customer needs, Best in Nature® supplies an extensive product line globally. Our superior formulations are carefully and scientifically designed according to cGMP standard and FDA regulations to meet customers’ nutritional and therapeutic demands, and the result of extensive research in biochemistry and the latest achievements in nutrition science, providing the most up-to-date and innovative formulas.

For more than ten years, we have been serving the natural health industry in different fields and marketing premium nutritional supplements designed to promote healthy living. We are led by a team of experts who help to continually improve our products and business. Technical Director Alfredo J. Quattrone, (Medicinal Chemistry PhD, DABT) provides strategic guidance in regulatory affairs and compliance, thanks to his 20 years of expertise in FDA and the Food and Drug Branch of the California Department of Health. Our Vice President of Sales and Marketing, Tom Panella (MBA), having previously worked at National Vitamin Company, Soft Gel Technologies, Kashi Foods, Green Foods, and Arrowhead Mills, is seasoned in the natural products industry. Our CEO Joy Pan (MA & Pharmaceutical Engineering) has been managing various natural products businesses for decades with honed acumen and experience.

Diamond Nutriceutical Inc. (Best in Nature ®) is a member of Natural Products Association (NPA), American Botanical Council (ABC), OsteoArthritis Research Society International (OARSI), National Osteoporosis Foundation (NOF), American Heart Association (AHA), and American Stroke Association (ASA).

Our company has many U.S. patents and trademarked products: Bone Essense with Kolla2®, VigorHeart, VitaBrain, 7-Keto®, Eye Care Essense are U.S. Federal Patent products. BestWomen’s Formula, LiverBest, GlucoBest, Bright Up, Best Placenta Combo, Tomato Lycopene, Best Rei-Shi Plus and others are very effective health support products. Kolla 2, Bone Essense, VigorHeart, VitaBrain, LiverBest, GlucoBest, AppleFit and 7 Keto are U.S. registered trademarks.

Our website hosts a forum of humanistic care, nutrition knowledge and healthy living. Our sales and marketing networks cover the United States, Canada, Europe, Australia and Asia. We distribute products to more than 500 natural products franchise stores, drugstores, and supermarkets in the United States and Canada.

Our company’s shopping cart is secure and reliable. We accept American Express, Discover, Visa, Master Card, and UnionPay. In accordance with U.S. laws, we strictly protect customer privacy and personal information. Shopping by phone is also convenient. Our customer care specialists are available to help you in English, Mandarin and Cantonese for your dedicated service.