Manufacturers
- M & A Healthcare Products Company Limited
- M & A Pharmaceutical Factory Co.
- M&J Distribution
- M. Network
- M.D. Science Lab
- M.E. Cody Products, Inc.
- M.E.G.A. Formulation (Muscle Enhancing Growth Factor Formulation)
- M/s Tablets India
- M2 Ingredients
- M4 Nutrition
- Ma Ying Long Pharmaceutical Group
- Mac Daddy
- Macazone, Inc.
- Macdonald's Prescriptions Lab
- Mackinlay Teas
- MacroLife Naturals, Inc.
- MacuHealth LP
- Madaus GmbH
- Made in America Pharmaceuticals
- Madina Vitamins
- MADMONQ LLC
- Madre Labs, LLC
- Madre Nature
- Mae & Co.
- Magceutics, Inc
- Magellan Distribution Solutions
- Magic Bullet
- Magic Mind
- Magic Slim
- Magic V Steam, Inc.
- Magic Wand
- MAGISNAT INC.
- Magistral Biotech
- MagixLabs
- Magna Pharmaceuticals, Inc.
- Magna Rx Inc
- Magnetic Health Food Store
- MagniLife Inc.
- Magnitude Life Sciences
- Magno Humphries Laboratories
- Magno-Humphries Labs
- Magnum Force XXL
- Magnum Nutraceuticals Inc.
- Maharishi Ayurveda Products
- Main Health Plus LLC.
- Main Products Inc.
- Maine Coast Herbals
- Maine Natural Health
- Majestic Herbal Limited
- Majestic Herbal Products
- Majestic Pure Cosmeceuticals
- Major Pharmaceuticals
- Maju Superfoods
- Makers Nutrition LLC
- Making It A Lifestyle, L.L.C
- Malabar Formulas
- Mama's Select
- Mamma Chia
- MAN Products
- Man Shing International
- MAN Sports
- MAN Sports Nutrition
- MAN Sports Products, Inc.
- MangaNaturals
- MangoDiet.com
- Manhattan Drug Company
- Manic Muscle
- Manila Nature's Link Corp
- Manitoba Harvest Hemp Foods
- Manna Health
- Mannatech Inc. (Canada)
- Mannatech Incorporated
- Manny's Sports Supplements
- Mantra Pharma
- Manufacturas Naturex
- Maple Tree Impex
- MaquiBest.com
- Marahau LLC
- Marathon Nutrifoods
- Marbella Institute
- Marco D'Polo
- Marco Hi-Tech
- Marco Pharma International, LLC
- Marealis AS
- Marigot Ltd
- Marin Pharm
- Marine Biotherapies
- Marine Essentials
- Marine Muscle
- Marine Technology Corp
- MaritzMayer Laboratories
- Mark Nutritionals, Inc.
- Market America (Canada)
- Market America, Inc.
- Market Traders, LLC
- Market-Wise Enterprises Limited
- Marlex Pharmaceuticals, Inc.
- Marley Beverage Co
- Marlia Business S.A.,
- Marlon Milbrandt
- Marlyn Nutraceuticals, Inc.
- Marnel Pharmaceuticals
- Marqi Life
- Mars Botanical
- Mars Health, Inc.
- Mars Symbioscience
- Mars Venus
- Marsha Slimming Consultancy
- MarTec Industries Inc
- Martec Industries Inc.
- Martek Biosciences Corp.
- Martek Pharmacal
- Martin & Pleasance
- Martin Avenue Pharmacy Inc.
- Maruda Nutrition
- Mary Ginseng House
- Marz Sprays
- Mascot Enterprise
- MASF Supplements
- Mason Vitamins, Inc.
- Mass Genetics
- Mass Global Inc.
- Mass Probiotics, Inc.
- Mass Quantities, Inc.
- Massey Medicinals
- Master Strategies
- Master Supplements Inc.
- Mastix Medica LLC
- Matador LLC
- Material Research Center for Health and Nutrition
- Matrix Health Products - Earth's Bounty Supplements
- Matrix Labs
- Matrix Nano Solutions
- Matrixx Initiatives, Inc.
- Matthias Rath, Inc.
- Maty's Healthy Products, LLC
- Maui Coconut Kefir
- Maui Medicinal
- Maurten
- MAV Nutrition
- Max Antler Pro
- Max Biocare Pty Ltd
- Max Drive Nutrition
- Max Effort Muscle
- Max Fit LLC
- Max International
- Max Muscle Sports Nutrition
- Max Nutrition UAB
- Max Pro
- Max Testo XL
- Max-Bio
- Maxam Nutraceutics
- Maxcelint Laboratories
- Maxi Health Research
- Maximized Living
- Maximum Efficiency Products
- Maximum Herbs
- Maximum International Inc
- Maximum Labs
- Maximum Living, Inc.
- Maximum Shred
- Maxion Nutrition Corporation
- MaxiProductos
- MaxLabs
- MaxLife Research LLC.
- Maxx Labs
- Maxx Supplements
- Mayaka International Inc.
- Mayne Group Ltd
- Mayne Pharma
- Mayor Labs
- Maypro
- Mayway Corp.
- Mayway Corporation
- Mayway Herbs
- Mazatec Garden
- MB Innovations LLC
- MB North America
- MBi Nutraceuticals
- mc4ms Medical Cannabis for Multiple Sclerosis
- McFarlane
- McKesson
- MCM Nutrition
- McNeil Consumer Healthcare
- McNeil Nutritionals LLC
- McNeil Nutritionals Ltd
- MD Healthline
- MD Logic Health Wellness
- MD Prescriptives, LLC
- MD Science Lab
- MD.Life
- MDRN Athlete
- Mead Johnson
- Mead Johnson Nutrition Canada
- Mead Johnson Nutritionals
- MealEnders
- Med Free Living
- Med Tech Industries
- Med-Chem Labs
- Med-Eq AS