Buffered C 2500 mg Powder DC 1450 mg — Powder Amazon Ester C Powder 2500 mg DC 1450 mg — Powder Amazon Rose Hips Nature's Sunshine 1120 mg — Capsule Amazon Chewable Acerola Plus Natural Vitamin C 100 mg Natural Berry Flavor ● OTHER INGREDIENTS (3) American Health 656 mcg — Tablet or Pill Amazon Chewable Acerola C 100 mg Sweet & Tangy Berry Flavor ● OTHER INGREDIENTS (3) Puritan's Pride 656 mcg — Other (e.g. tea bag) Amazon Rose Hips 500 mg ● OTHER INGREDIENTS (2) Swanson Premium Brand 500 mg — Capsule Amazon Rose Hips 450 mg TerraVita Premium Collection 450 mg — Capsule Amazon Cranberry Oregon's Wild Harvest 340 mg — Capsule Amazon Vitamin C Natural Orange Flavor Mr. Gummy Vitamins 260 mg — Gummy or Jelly Amazon Liquid C 500 mg Orange Flavor Village Vitality 250 mg — Liquid Amazon Vitamin C Orange Flavor BIOVEA 250 mg — Liquid Amazon Vitamin C with Rose Hips ● OTHER INGREDIENTS (2) Nature's Way 200 mg — Capsule Amazon T10 To T11 Kdy Chiro-Zyme 150 mg — Capsule Amazon Mega Vita-Min ⚠ EXCEEDS UL (4) ● OTHER INGREDIENTS (3) DC 150 mg — Other (e.g. tea bag) Amazon CMPRS Loomis Enzymes 150 mg — Capsule Amazon Vitamin C 1,000 mg Plus Rose Hips ● OTHER INGREDIENTS (1) VitaCeutical Labs 150 mg — Tablet or Pill Amazon Vitamin C 1,000 mg plus Rose Hips ● OTHER INGREDIENTS (1) Woodstock Vitamins 150 mg — Tablet or Pill Amazon Vitamin C 1,000 mg Plus Rose Hips ● OTHER INGREDIENTS (1) Woodstock Vitamins 150 mg — Tablet or Pill Amazon C-3000 Complex ● OTHER INGREDIENTS (1) MBi Nutraceuticals 125 mg — Powder Amazon Vitamin C 1000 mg with Rose Hips Sustained Release ● OTHER INGREDIENTS (3) Bronson 105 mg — Tablet or Pill Amazon Mark X ● OTHER INGREDIENTS (2) DC 100 mg — Tablet or Pill Amazon Super C Complex ● OTHER INGREDIENTS (2) NaturesPlus 100 mg — Tablet or Pill Amazon Vitamin C-1000 mg & Rose Hips ● OTHER INGREDIENTS (1) Bluebonnet 100 mg — Capsule Amazon Whole-Food Complex with added Multivitamin plus Vital Minerals ⚠ EXCEEDS UL (3) Dr. Mercola 100 mg — Tablet or Pill Amazon Ultra Preventive IX With Vitamin K ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (1) Douglas Laboratories 100 mg — Tablet or Pill Amazon Ultra Preventive IX ⚠ EXCEEDS UL (3) ● OTHER INGREDIENTS (2) Douglas Laboratories 100 mg — Tablet or Pill Amazon Herbal Detox Drops Swanson 86.5 mg — Liquid Amazon Multi-Vita Softgels ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) Nature's Truth 80 mg — Softgel Capsule Amazon TRCTN Loomis Enzymes 80 mg — Capsule Amazon Vitamin C 500 mg With Rose Hips ● OTHER INGREDIENTS (2) Solgar 75 mg — Tablet or Pill Amazon High Potency Multi Pack ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (3) Vitamer Laboratories 70 mg — Other (e.g. tea bag) Amazon High Potency Multi Pack ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (3) VitaCeutical Labs 70 mg — Other (e.g. tea bag) Amazon Vitamin C & Rosehip Bioflavonoids NutraBio 65 mg — Capsule Amazon Vitamin C With Rosehips 1000 Milligrams NutraBio 65 mg — Capsule Amazon Vitamin C 1000 mg with Rose Hips ● OTHER INGREDIENTS (2) Solgar 62.5 mg — Tablet or Pill Amazon Vitamin C with Rose Hips 1000 mg Dr. Clark Store 60 mg — Capsule Amazon Quercetin Complex ● OTHER INGREDIENTS (2) Puritan's Pride 50 mg — Capsule Amazon Vitamin C NutraChamps 50 mg — Capsule Amazon Immune Support Pack ● OTHER INGREDIENTS (2) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon Longevity Support Pack ● OTHER INGREDIENTS (3) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon C1000 ● OTHER INGREDIENTS (1) Genestra Brands 50 mg — Tablet or Pill Amazon Vitamin C-500 mg & Rose Hips ● OTHER INGREDIENTS (1) Bluebonnet 50 mg — Capsule Amazon From the Earth ● OTHER INGREDIENTS (2) The Vitamin Shoppe 50 mg — Tablet or Pill Amazon Mark V ● OTHER INGREDIENTS (2) DC 50 mg — Tablet or Pill Amazon Bone Health Pack ⚠ EXCEEDS UL ● OTHER INGREDIENTS (3) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon Memory Pack ● OTHER INGREDIENTS (2) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon C-Max 1500 mg ● OTHER INGREDIENTS (2) Douglas Laboratories 50 mg — Tablet or Pill Amazon OC-Max ● OTHER INGREDIENTS (3) Physician's Signature 50 mg — Other (e.g. tea bag) Amazon Diabetes Advanced Support Packs ● OTHER INGREDIENTS (2) DC 50 mg — Other (e.g. tea bag) Amazon Vitamin C with Rose Hips 1000 mg ● OTHER INGREDIENTS (2) BIOVEA 50 mg — Tablet or Pill Amazon Cardioplex Nutri-West 50 mg — Tablet or Pill Amazon Vitamin C 1,000 mg Plus Rose Hips ● OTHER INGREDIENTS (2) Vitamer Laboratories 50 mg — Tablet or Pill Amazon C 500 mg with Rosehips ● OTHER INGREDIENTS (1) Natural Grocers by Vitamin Cottage 50 mg — Capsule Amazon Vitamin C-500 mg Plus Rose Hips ● OTHER INGREDIENTS (1) Bluebonnet 50 mg — Capsule Amazon Senior Women's Pack ⚠ EXCEEDS UL ● OTHER INGREDIENTS (3) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon Week Four: Repair ● OTHER INGREDIENTS (2) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon Vitamin C 500 mg with Rose Hips Sustained Release ● OTHER INGREDIENTS (2) NaturesPlus 50 mg — Tablet or Pill Amazon BP Pack ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) Douglas Laboratories 50 mg — Other (e.g. tea bag) Amazon Vitamin C 1000 mg ● OTHER INGREDIENTS (2) Schiff 40 mg — Tablet or Pill Amazon Tru-C BioComplex ● OTHER INGREDIENTS (2) NOW 40 mg — Capsule Amazon C 500 mg with Rose Hips ● OTHER INGREDIENTS (4) 21st Century 37 mg — Tablet or Pill Amazon Vitamin C 1500 mg with Rose Hips ● OTHER INGREDIENTS (2) Solgar 30 mg — Tablet or Pill Amazon Vitamin C 1500 mg With Rose Hips ● OTHER INGREDIENTS (2) Solgar 30 mg — Tablet or Pill Amazon Stress Pack ⚠ EXCEEDS UL (2) ● OTHER INGREDIENTS (3) NeoLife 30 mg — Other (e.g. tea bag) Amazon Vitamin C ● OTHER INGREDIENTS (2) Bodybuilding.com Signature 30 mg — Tablet or Pill Amazon C-Time 1000 Timed Release ● OTHER INGREDIENTS (2) Puritan's Pride 25 mg — Other (e.g. tea bag) Amazon Vitamin C with Citrus Bioflavonoids & Rose Hips ● OTHER INGREDIENTS (1) AN Amazing Nutrition Amazing Formulas 25 mg — Capsule Amazon Advanced Colon Cleanser ● OTHER INGREDIENTS (2) Puritan's Pride 25 mg — Capsule Amazon C-600 Formula with Rose Hips ● OTHER INGREDIENTS (2) Altrum 25 mg — Tablet or Pill Amazon Vitamin C 500 mg ● OTHER INGREDIENTS (2) Schiff 25 mg — Tablet or Pill Amazon Skin Support Pack ● OTHER INGREDIENTS (2) Douglas Laboratories 25 mg — Other (e.g. tea bag) Amazon Vitamins To Go! Maximum ● OTHER INGREDIENTS (3) Sundown Naturals 25 mg — Other (e.g. tea bag) Amazon Vitamin C Complex 500 mg ● OTHER INGREDIENTS (2) tnvitamins 25 mg — Tablet or Pill Amazon Timed Release C-1000 mg ● OTHER INGREDIENTS (2) Vitamin World 25 mg — Other (e.g. tea bag) Amazon Ultimate B+C Complex ⚠ EXCEEDS UL ● OTHER INGREDIENTS (2) Solgar 25 mg — Tablet or Pill Amazon Colon Cleanser ● OTHER INGREDIENTS (2) Vitamin World 25 mg — Capsule Amazon Advanced Detoxapure Colon Cleanser ● OTHER INGREDIENTS (2) Vitamin World 25 mg — Capsule Amazon Healthy Aging Multi ● OTHER INGREDIENTS (2) Vitamer Laboratories 25 mg — Tablet or Pill Amazon Super Quercetin ● OTHER INGREDIENTS (1) Bluebonnet 25 mg — Capsule Amazon Buffered Vitamin C 500 mg ● OTHER INGREDIENTS (3) Schiff 25 mg — Tablet or Pill Amazon Met-A-SynX-Pack ● OTHER INGREDIENTS (2) Douglas Laboratories 25 mg — Other (e.g. tea bag) Amazon Vitamin C With Rose Hips 500 mg ● OTHER INGREDIENTS (2) The Vitamin Shoppe 25 mg — Tablet or Pill Amazon Formula 903 ● OTHER INGREDIENTS (1) DC 25 mg — Tablet or Pill Amazon C 1000 mg With Rose Hips ● OTHER INGREDIENTS (2) Nature's Bounty 20 mg — Other (e.g. tea bag) Amazon Vitamin C With 20 mg Rose Hips Orange Nutrition Now 20 mg — Gummy or Jelly Amazon Softgel Multi ⚠ EXCEEDS UL ● OTHER INGREDIENTS (1) VitaCeutical Labs 20 mg — Softgel Capsule Amazon Rose Hips C Natural E DC 20 mg — Capsule Amazon Ginger Immunity+ ⚠ EXCEEDS UL ● OTHER INGREDIENTS (1) Angry Supplements 20 mg — Capsule Amazon Vitamin C & D3 ● OTHER INGREDIENTS (1) Nature's Bounty 20 mg — Softgel Capsule Amazon C-1000 mg ● OTHER INGREDIENTS (2) Vitamin World 20 mg — Other (e.g. tea bag) Amazon C-1000 mg ● OTHER INGREDIENTS (2) Puritan's Pride 20 mg — Other (e.g. tea bag) Amazon Softgel Multi ⚠ EXCEEDS UL ● OTHER INGREDIENTS (1) Vitamer Laboratories 20 mg — Softgel Capsule Amazon High Potency Vitamin C 1000 mg ● OTHER INGREDIENTS (2) Sundown Naturals 20 mg — Other (e.g. tea bag) Amazon Vitamin C Gummy Vitamins Nutrition Now 20 mg — Gummy or Jelly Amazon Vitamin C 1000 mg Good State 20 mg — Capsule Amazon Active-C with Bioflavonoids 500 mg ● OTHER INGREDIENTS (3) The Vitamin Shoppe 20 mg — Tablet or Pill Amazon Vitamin C & E ● OTHER INGREDIENTS (1) Nature's Bounty 20 mg — Softgel Capsule Amazon Active-C with Bioflavonoids 1000 mg ● OTHER INGREDIENTS (3) The Vitamin Shoppe 20 mg — Tablet or Pill Amazon C-500 mg with Wild Rose Hips & E-180 mg (400 IU) ● OTHER INGREDIENTS (1) Puritan's Pride Premium 20 mg — Softgel Capsule Amazon C 500 mg & E 400 IU ● OTHER INGREDIENTS (1) Spring Valley 20 mg — Softgel Capsule Amazon