Manufacturers
- Blackfire Global, LLC
- BlackMarket Labs LLC
- Blackmores
- Blackmores Australia
- Blacksmith Brands Inc
- Blackstone Labs
- Blackwater Innovations Corp
- Blade Nutrition
- Blaine Labs Inc
- Blaine Pharmaceuticals
- Blairex Laboratories
- Blenheim Pharmacal
- Blessed Herbs
- BLIS Technologies
- Blisque Inc.
- Bliss Beverage
- Blonyx Biosciences Inc.
- Bloom Nutrition LLC
- Blooms Health Products
- Blossom Portfolio
- Blue Buddha Tea
- Blue California
- Blue Chip Marketing, Inc
- Blue Cow
- Blue Guard
- Blue Horizon
- Blue Lotus S.r.l.
- Blue Mountain Springs
- Blue Ridge Silver, Inc.
- Blue Sky Beverage Co
- Blue Spring Wellness
- Blue Star Nutraceuticals
- Bluebird Botanicals
- Bluebonnet Nutrition Corporation
- Bluegum Pharmaceuticals
- Blueprint Supplements
- Blunt Force Nutrition
- BluScience
- BMF Hardcore
- BMF Sports
- BMF Sports, Inc.
- BMM Research
- BMM Supplements
- BNG Enterprises
- Bob Barefoot's Best
- Bob's Red Mill
- Boca Pharmacal
- BocaGreenMD
- Bodee LLC
- BodSmith
- Body 180
- Body Advance
- Body Ammo Research Lab
- Body and Sun Care Ltd
- Body Attack Sports Nutrition GmbH & Co. KG
- Body Basics
- Body Basix
- Body Bionix
- Body Biotics International
- Body Breakthrough
- Body Choice Nutritional Products
- Body Conditioning Solutions (BCS Labs)
- Body Dynamics
- Body Ecology
- Body Envy
- Body Fortress
- Body Fuse
- Body FX
- Body Glide
- Body Gold
- Body Innoventions
- Body Kitchen LLC
- Body Lab
- Body Language Vitamin Co.
- Body Nutriceuticals, LLC
- Body Nutrition
- Body Performance
- Body Plus Nutritional Products Inc.
- Body Strong
- Body Superior
- Body Systems Labs
- Body Wise (Canada)
- Body Wise International, Inc.
- BodyBio, Inc.
- BodyBreak Health Inc
- Bodybuilding Provision Technologies
- Bodybuilding Supplements
- Bodybuilding.com
- Bodycor Naturals
- BodyHealth
- BodyHealth.com, LLC.
- BodyLogicMD
- BodyLogix
- Bodyonics, Ltd.
- Bodystrong
- BodyTogs, LLC
- BodyVega Nutrition
- BodyWell Nutrition LLC
- Bodyworx Nutri-Genics
- Boehringer Ingelheim
- Boiron Canada Inc
- Boiron USA
- Boisson Slow Cow Inc.
- Boland Naturals, Inc.
- Bomuca International
- Bona Dea Ltd.
- Bonafide Health LLC
- BonGeo Pharmaceuticals, Inc.
- Bonita Pharmaceuticals
- Bonus International, LLC.
- Boost Marketing Group
- BoostMana LLC
- Booty Magic
- Boreal Medicinal Canada
- Boscolini LLC
- Boston America Corp.
- Boston HMR
- Boston Therapeutics Inc
- Botanic Tonics
- Botanica Boost
- Botanical Laboratories
- Botanical Slimming Products
- Botanical Sources
- BotanicLab
- Botanix Enterprise
- Botany Bay
- Boujee Hippie
- Bowmar Nutrition
- Bowtrol
- BPI Health
- BPI Sports
- BPT LLC
- BR International, LLC
- Bradeson Naturals
- Bradley's Bioscience
- Bragg Live Foods, Inc.
- Brain Armor
- Brain Forza
- Brain Research Labs
- Brainard's Natural Remedies
- Brainchild Nutritionals
- BrainJuice
- BrainMD Health
- BrainQUICKEN LLC Research and Technologies
- Brainz Power
- Brand New Energy LLC
- Brandywine Pharmaceuticals, LLC
- Brassica Protection Products LLC
- Brauer
- Brawn Nutrition
- Brazilian Basics
- Brazilian Energy
- Breakthrough Engineered Nutrition
- Breakthrough Labz
- Breakthrough Supplements LLC
- Breathable Foods, Inc
- Breathe, Inc.
- Breckenridge Pharmaceutical, Inc.
- Bremenn Research Labs, LLC
- BRI Nutrition LLC
- Brickell Men's Products
- Bricker Labs
- Brickhouse Nutrition
- Brie Laboratories, Inc
- Bright Beginnings
- Bright Brain, Inc.
- BrightDay
- Bringwell Sverige AB
- Brioschi Pharmaceuticals International LLC
- Bristol-Myers Squibb Co.
- British Dragon
- Bro Science Labs
- Brock Beauty, Inc.
- Brodicol Products
- Bronchosirum Inc
- Bronson Laboratories
- Brooklyn Premium Corp.
- Brosupps
- Brudy Technology
- Bruno Pharma Innovations, LLC
- Brush Creek Organic Foods
- Bryant Nutrients
- Bryant Ranch Prepack
- BSN Inc.
- BSP Pharma
- BTR Group, Inc.
- BUBS Naturals
- Bucked Up
- Buckton Scott
- Build Nutrition
- Build Nutrition (Canada)
- Built Bar
- Built By Nature
- Bulk Performance Solutions
- BulkSupplements.com
- Bulletproof 360 Inc.
- Bullwater Health & Fitness LLC
- Bump Industries
- Burbank/Glendale Chiropractic
- Burns Total Health