Citrus Bioflavonoid Caps ● OTHER INGREDIENTS (1) Twinlab 1400 mg — Capsule Amazon Natural Citrus Bioflavonoids ● OTHER INGREDIENTS (2) DC 1000 mg — Tablet or Pill Amazon Citrus Bioflavonoids 1000 mg ● OTHER INGREDIENTS (2) Vitamin World 1000 mg — Other (e.g. tea bag) Amazon Vitamin C 1000 ● OTHER INGREDIENTS (2) Totally Products 530 mg — Tablet or Pill Amazon Super-C Complex ● OTHER INGREDIENTS (2) Carlson 500 mg — Tablet or Pill Amazon Super Pak ⚠ EXCEEDS UL (3) ● OTHER INGREDIENTS (4) Beverly International 500 mg — Other (e.g. tea bag) Amazon NF Formulas Echinacea Vitamin C ● OTHER INGREDIENTS (2) Integrative Therapeutics 500 mg — Tablet or Pill Amazon Ester-C 500 mg With Citrus Bioflavoinds American Health 400 mg — Capsule Amazon Ester-C 500 mg with Citrus Bioflavoinds American Health 400 mg — Capsule Amazon Ester-C 500 mg with Citrus Bioflavonoids American Health 400 mg — Capsule Amazon Ester-C with Citrus Bioflavonoids ● OTHER INGREDIENTS (1) American Health 400 mg — Tablet or Pill Amazon Ester-C 500 mg With Citrus Bioflavonoids American Health 400 mg — Capsule Amazon Youthful Metabolism ● OTHER INGREDIENTS (2) Juvenon 400 mg — Capsule Amazon Pycnogenol 60 mg ● OTHER INGREDIENTS (2) Vitamin World 300 mg — Capsule Amazon Pycnogenol 30 mg ● OTHER INGREDIENTS (2) Nature's Bounty 300 mg — Capsule Amazon C-1000 Complex ● OTHER INGREDIENTS (2) Biophix 250 mg — Tablet or Pill Amazon Lung Support ● OTHER INGREDIENTS (2) SIMPLY POTENT 250 mg — Capsule Amazon Vitamin C 1000 mg ● OTHER INGREDIENTS (2) Spring Valley 204 mg — Tablet or Pill Amazon Ester-C plus 500 mg Vitamin C Solgar 200 mg — Capsule Amazon Esterified C Complex ● OTHER INGREDIENTS (2) Bronson 200 mg — Tablet or Pill Amazon Ester-C 500 mg With Citrus Bioflavoinds Timed Release ● OTHER INGREDIENTS (1) American Health 200 mg — Tablet or Pill Amazon Ester-C 1000 mg With Citrus Bioflavonoids ● OTHER INGREDIENTS (1) American Health 200 mg — Tablet or Pill Amazon Ester-C Plus 1000 mg Vitamin C ● OTHER INGREDIENTS (1) Solgar 200 mg — Capsule Amazon Ester-C 1000 mg with Citrus Bioflavonoids ● OTHER INGREDIENTS (1) American Health 200 mg — Tablet or Pill Amazon Ester-C Plus 500 mg Vitamin C Solgar 200 mg — Capsule Amazon Ultra Anti-Oxidant ● OTHER INGREDIENTS (1) Douglas Laboratories 200 mg — Capsule Amazon High Potency Ester-C 500 mg Vitamin C with Bioflavonoids ● OTHER INGREDIENTS (3) Equaline 200 mg — Tablet or Pill Amazon First Intention ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (1) Integrative Therapeutics 150 mg — Capsule Amazon Ester-C Powder with Citrus Bioflavonoids American Health 150 mg — Powder Amazon T1 To T3 Nsl Chiro-Zyme 140 mg — Capsule Amazon Respiratory Support ● OTHER INGREDIENTS (2) Fortify 125 mg — Capsule Amazon Ocu Complete With Lutein ● OTHER INGREDIENTS (1) VitaCeutical Labs 125 mg — Capsule Amazon Ocu Complete With Lutein ● OTHER INGREDIENTS (1) Vitamer Laboratories 125 mg — Capsule Amazon OcuGuard Plus ● OTHER INGREDIENTS (1) Twinlab 125 mg — Capsule Amazon Breathe Easy ● OTHER INGREDIENTS (2) Totally Products 125 mg — Capsule Amazon Active-C with Bioflavonoids 500 mg ● OTHER INGREDIENTS (3) The Vitamin Shoppe 111 mg — Tablet or Pill Amazon Liquid Multinutrient Formula Natural Tropical Fruit Flavor Bluebonnet Super Earth 100 mg — Liquid Amazon Ester-C Complex ● OTHER INGREDIENTS (1) Douglas Laboratories 100 mg — Capsule Amazon Chelated-C Complex ● OTHER INGREDIENTS (1) Douglas Laboratories 100 mg — Capsule Amazon Added Protection III (Without Copper And Iron) ⚠ EXCEEDS UL (3) ● OTHER INGREDIENTS (3) Douglas Laboratories 100 mg — Tablet or Pill Amazon Essential Basics ● OTHER INGREDIENTS (1) Douglas Laboratories 100 mg — Capsule Amazon Green Source ⚠ EXCEEDS UL ● OTHER INGREDIENTS (3) Radiance 100 mg — Tablet or Pill Amazon Prosta-Support Formula ● OTHER INGREDIENTS (2) Douglas Laboratories 100 mg — Tablet or Pill Amazon Natural C 1,000 mg ● OTHER INGREDIENTS (2) Douglas Laboratories 100 mg — Tablet or Pill Amazon Basic Preventive 2 (Iron and Copper Free) ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (2) Douglas Laboratories 100 mg — Tablet or Pill Amazon Supreme C ● OTHER INGREDIENTS (2) PureFormulas 100 mg — Tablet or Pill Amazon Liquid Multi Tropical Fruit Flavor Bluebonnet 100 mg — Liquid Amazon Eye Health ● OTHER INGREDIENTS (2) LuckyVitamin 100 mg — Capsule Amazon Natural C 1000 mg ● OTHER INGREDIENTS (2) Douglas Laboratories 100 mg — Tablet or Pill Amazon Joint-Support Formula ● OTHER INGREDIENTS (2) Douglas Laboratories 75 mg — Tablet or Pill Amazon Energy/Sports Formula ● OTHER INGREDIENTS (2) Douglas Laboratories 75 mg — Tablet or Pill Amazon Ultra HNS ● OTHER INGREDIENTS (2) Douglas Laboratories 75 mg — Capsule Amazon NF Formulas Spectrum 2C With Iron ⚠ EXCEEDS UL Integrative Therapeutics 62 mg — Capsule Amazon Spectrum 2C without Iron ⚠ EXCEEDS UL ● OTHER INGREDIENTS (1) Integrative Therapeutics 62 mg — Capsule Amazon Green Source Multi Vitamins & Minerals ● OTHER INGREDIENTS (2) Vitamin World 60 mg — Other (e.g. tea bag) Amazon Green Source Multivitamin & Minerals ● OTHER INGREDIENTS (2) Vitamin World 60 mg — Unknown Amazon Your Life Multi Green Souce ● OTHER INGREDIENTS (2) Nature's Bounty 60 mg — Other (e.g. tea bag) Amazon Sustained Release Vitamin C with PureWay-C 500 mg ● OTHER INGREDIENTS (2) Doctor's Best 50 mg — Tablet or Pill Amazon Lipotrol ⚠ EXCEEDS UL ● OTHER INGREDIENTS (3) Douglas Laboratories 50 mg — Tablet or Pill Amazon PM Formula ● OTHER INGREDIENTS (2) TriVita 50 mg — Tablet or Pill Amazon Able Eyes ● OTHER INGREDIENTS (2) Carlson 50 mg — Softgel Capsule Amazon Essential Prostate Pack ● OTHER INGREDIENTS (2) Supplement Spot 50 mg — Other (e.g. tea bag) Amazon Stomach Friendly Special-C 500 mg ● OTHER INGREDIENTS (2) 21st Century 50 mg — Tablet or Pill Amazon Green Source ● OTHER INGREDIENTS (2) DC 50 mg — Tablet or Pill Amazon Tyler Prenatal Integrative Therapeutics 50 mg — Capsule Amazon Basic Preventive 5 (Iron Free) ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) Douglas Laboratories 44 mg — Capsule Amazon Hair, Skin and Nails Plus ● OTHER INGREDIENTS (2) Douglas Laboratories 37.5 mg — Capsule Amazon Tyler NutriVitamin Enzyme Complex With Iron ● OTHER INGREDIENTS (1) Integrative Therapeutics 37 mg — Capsule Amazon Kid Natural Fruit Flavor Healthy 'N Fit 30 mg — Other (e.g. tea bag) Amazon Primal Multivitamin ● OTHER INGREDIENTS (2) Primal Harvest 25 mg — Capsule Amazon Mega Multi for Men ● OTHER INGREDIENTS (3) 21st Century 25 mg — Tablet or Pill Amazon OPC-3 Beauty Blend ● OTHER INGREDIENTS (1) Isotonix 25 mg — Powder Amazon Ultra Preventive Teen ● OTHER INGREDIENTS (2) Douglas Laboratories 25 mg — Tablet or Pill Amazon Complete Multi-Vitamin ● OTHER INGREDIENTS (2) BIOVEA 25 mg — Tablet or Pill Amazon Multi-100 ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (2) Country Life 25 mg — Tablet or Pill Amazon Vitamin C 1000 mg Timed-Release Caplets ● OTHER INGREDIENTS (3) GNC 25 mg — Other (e.g. tea bag) Amazon Vitamin C 1000 mg with Citrus Bioflavonoids & Rose Hips ● OTHER INGREDIENTS (4) Nature's Blend 25 mg — Capsule Amazon Mega Multi for Women ⚠ EXCEEDS UL ● OTHER INGREDIENTS (4) 21st Century 25 mg — Tablet or Pill Amazon OPC-3 (Oligomeric Proanthocyanidins) ● OTHER INGREDIENTS (2) Isotonix 25 mg — Powder Amazon Mil Adregen ● OTHER INGREDIENTS (2) Miller Pharmacal Group 25 mg — Tablet or Pill Amazon The 30 Day Beauty Secret ● OTHER INGREDIENTS (3) Futurebiotics 25 mg — Tablet or Pill Amazon Mega-One No Iron ⚠ EXCEEDS UL ● OTHER INGREDIENTS (1) Source Naturals 25 mg — Tablet or Pill Amazon C-1000 mg With Protective Bioflavonoids And Wild Rose Hips ● OTHER INGREDIENTS (2) Vitamin World 25 mg — Unknown Amazon Cell Protector ● OTHER INGREDIENTS (1) GNC Preventive Nutrition 20 mg — Other (e.g. tea bag) Amazon Whole Food Multivitamins & Minerals ● OTHER INGREDIENTS (1) Rise-N-Shine 16.6 mg — Tablet or Pill Amazon Enhanced Energy Whole Food Multivitamin Mango Pineapple Flavor ● OTHER INGREDIENTS (2) KAL 15 mg — Tablet or Pill Amazon Ultra Mega Gold without Iron ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) GNC Ultra Mega 12.5 mg — Other (e.g. tea bag) Amazon Whole Source Women's ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) Rite Aid Pharmacy 10 mg — Tablet or Pill Amazon Vitaline Total Formula 2 ● OTHER INGREDIENTS (3) Integrative Therapeutics 10 mg — Tablet or Pill Amazon Ultra Preventive Kids Natural Orange Flavor! ● OTHER INGREDIENTS (2) Douglas Laboratories 10 mg — Tablet or Pill Amazon Total Formula 3 ● OTHER INGREDIENTS (2) Integrative Therapeutics 10 mg — Tablet or Pill Amazon Ultra Preventive Kids Natural Grape Flavor! ● OTHER INGREDIENTS (2) Douglas Laboratories 10 mg — Tablet or Pill Amazon Vitamin C + D3 Chews Citrus Flavored DNA Miracles 8 mg — Other (e.g. tea bag) Amazon Chewable C 500 mg Mixed Fruit ● OTHER INGREDIENTS (1) GNC 5 mg — Tablet or Pill Amazon Vitamin C 1000 mg with Rose Hips ● OTHER INGREDIENTS (3) Nature's Blend 5 mg — Tablet or Pill Amazon Vitamin C Chewable Cherry-Berry Flavor ● OTHER INGREDIENTS (2) New Sun 5 mg — Tablet or Pill Amazon Grape Seed 60 mg Discontinued ● OTHER INGREDIENTS (1) NOW 600 mg — Capsule — Super-C-Complex Discontinued ● OTHER INGREDIENTS (2) Carlson 500 mg — Tablet or Pill — Ester-C Discontinued ● OTHER INGREDIENTS (1) American Health 400 mg — Tablet or Pill — Buffered Vitamin C-500 mg Discontinued ● OTHER INGREDIENTS (1) Bluebonnet 250 mg — Capsule —