| Echinacea 1,200 mg | Nature's Answer | 1200 mg | — | Capsule |
| Organic Echinacea Plus Original with Spearmint | Traditional Medicinals | 1065 mg | — | Other (e.g. tea bag) |
| Beyond Greens Light Matcha Flavor | Live Conscious | 900 mg | — | Powder |
| Premium Echinacea● OTHER INGREDIENTS (1) | OL Olympian Labs | 800 mg | — | Capsule |
| Echinacea & Vitamin C | Nature's Way | 722 mg | — | Capsule |
| All Natural Cold-X10● OTHER INGREDIENTS (1) | OL Olympian Labs | 667 mg | — | Capsule |
| Advanced Immune Complex● OTHER INGREDIENTS (1) | OL Olympian Labs | 500 mg | — | Capsule |
| Vitamin C + Echinacea | GNC Herbal Plus | 500 mg | — | Capsule |
| Everyday Wellness with Elderberry● OTHER INGREDIENTS (1) | Angry Supplements | 500 mg | — | Capsule |
| Echinacea 1,000 mg Orange Flavor | Nature's Answer | 500 mg | — | Liquid |
| Immune-1⚠ EXCEEDS UL● OTHER INGREDIENTS (1) | InnovaPharm Essentials | 500 mg | — | Capsule |
| Echinacea 500 mg | GNC Herbal Plus | 500 mg | — | Capsule |
| Echinacea 450 mg● OTHER INGREDIENTS (2) | Full Life | 450 mg | — | Capsule |
| Echinacea purpurea Root 450 mg | TerraVita Premium Collection | 450 mg | — | Capsule |
| Echinacea purpurea Herb 450 mg | TerraVita Premium Collection | 450 mg | — | Capsule |
| Echinacea Purpurea Root (Certified Organic) 450 mg | TerraVita Premium Collection | 450 mg | — | Capsule |
| Echinacea Purpurea | Earthborn Elements | 425 mg | — | Capsule |
| Acute Defense To Go | MegaFood | 400 mg | — | Powder |
| Echinacea 400 mg● OTHER INGREDIENTS (2) | The Vitamin Shoppe | 400 mg | — | Capsule |
| Echinacea 400 mg● OTHER INGREDIENTS (1) | Swanson | 400 mg | — | Capsule |
| Echinacea 400 mg | Viva Vitamins | 400 mg | — | Capsule |
| Elderberry + Immune with Echinacea & Vitamin C● OTHER INGREDIENTS (3) | Puritan's Pride | 400 mg | — | Capsule |
| Echinacea Complex | New Sun | 385 mg | — | Capsule |
| Immune Tonic Berry | Vitanica Tasty Tonics | 375 mg | — | Liquid |
| Immune Tonics | Vitanica Tasty Tonics | 375 mg | — | Liquid |
| Genius Immunity Shield | The Genius Brand | 350 mg | — | Capsule |
| Echinacea 350 mg | Nature Made | 350 mg | — | Capsule |
| Echinacea Herbal Formula● OTHER INGREDIENTS (1) | Douglas Laboratories | 350 mg | — | Capsule |
| Immune Complex● OTHER INGREDIENTS (2) | Dr. Rico Perez | 325 mg | — | Capsule |
| ThymuPlex● OTHER INGREDIENTS (2) | Nature's Way | 300 mg | — | Tablet or Pill |
| Immuno Caps● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 300 mg | — | Capsule |
| Immuno Plus● OTHER INGREDIENTS (2) | Priority One Nutritional Supplements | 300 mg | — | Tablet or Pill |
| Kindermune (Natural Cherry Flavor)● OTHER INGREDIENTS (3) | Priority One Nutritional Supplements | 300 mg | — | Tablet or Pill |
| Echinacea & Myrrh Full Spectrum● OTHER INGREDIENTS (1) | Swanson | 300 mg | — | Capsule |
| ThymuPlex Immune Formula● OTHER INGREDIENTS (3) | Nature's Way | 300 mg | — | Capsule |
| Echinacea 125 mg● OTHER INGREDIENTS (1) | NOW | 300 mg | — | Capsule |
| Super Bio Vegetarian● OTHER INGREDIENTS (2) | Priority One Nutritional Supplements | 230 mg | — | Tablet or Pill |
| Bio Vegetarian● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 228 mg | — | Tablet or Pill |
| Echinacea with Goldenseal Root● OTHER INGREDIENTS (1) | Swanson | 225 mg | — | Capsule |
| Garlicin CF● OTHER INGREDIENTS (2) | Nature's Way | 205 mg | — | Tablet or Pill |
| Echinacea Golden Seal 400 mg | Viva Vitamins | 200 mg | — | Capsule |
| Elderberry+ | Quantum Health | 200 mg | — | Liquid |
| Standardized Echinacea | Nature's Way | 190 mg | — | Capsule |
| Echinacea Goldenseal | Oregon's Wild Harvest | 180 mg | — | Capsule |
| Sym C1 To C3 | Thera-Zyme | 170 mg | — | Capsule |
| C1 To C3 Sym | Chiro-Zyme | 170 mg | — | Capsule |
| Olive Leaf Extract 700 mg● OTHER INGREDIENTS (2) | Best Naturals | 150 mcg | — | Capsule |
| Immune Factor E | Longevity Medical Clinic | 150 mg | — | Capsule |
| T10 To T11 Kdy | Chiro-Zyme | 140 mg | — | Capsule |
| Spl T6 To T8 | Thera-Zyme | 130 mg | — | Capsule |
| Kids Immune Defense Gummy Natural Grape Flavor | GNC Milestones | 130 mg | — | Gummy or Jelly |
| T6 To T8 Spl | Chiro-Zyme | 130 mg | — | Capsule |
| MaX VRL● OTHER INGREDIENTS (2) | XYMOGEN | 100 mg | — | Capsule |
| Immune Support System Strength● OTHER INGREDIENTS (2) | Quantum Health | 100 mg | — | Capsule |
| Yeast Fend● OTHER INGREDIENTS (1) | The Vitamin Shoppe | 100 mg | — | Capsule |
| Garlic Echinacea Elderberry+● OTHER INGREDIENTS (3) | Futurebiotics | 80 mg | — | Tablet or Pill |
| Hair, Skin and Nails● OTHER INGREDIENTS (4) | The Vitamin Shoppe | 75 mg | — | Tablet or Pill |
| XenoForce | Energetix | 67 mg | — | Capsule |
| Breathe-EZ● OTHER INGREDIENTS (1) | OL Olympian Labs | 50 mg | — | Capsule |
| Sambucus Hot Drink Mix Honey Lemon-Berry Flavored● OTHER INGREDIENTS (1) | Nature's Way | 50 mg | — | Powder |
| Echinacea Plus● OTHER INGREDIENTS (1) | Karuna | 40 mg | — | Tablet or Pill |
| C with A, E & Zinc Adult Gummies | Nature Made | 25 mg | — | Gummy or Jelly |
| Citramesia Botanical Extracts● OTHER INGREDIENTS (2) | Ecological Formulas | 25 mg | — | Capsule |
| Elderberry & Zinc● OTHER INGREDIENTS (2) | NOW | 25 mg | — | Lozenge |
| Elderberry & Zinc● OTHER INGREDIENTS (2) | LuckyHerbs | 25 mg | — | Lozenge |
| Ultra Preventive IX With Vitamin K⚠ EXCEEDS UL (2)● OTHER INGREDIENTS (1) | Douglas Laboratories | 25 mg | — | Tablet or Pill |
| Women's Multi-Vitamin⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | BIOVEA | 25 mg | — | Capsule |
| Ultra Preventive IX⚠ EXCEEDS UL (3)● OTHER INGREDIENTS (2) | Douglas Laboratories | 25 mg | — | Tablet or Pill |
| Immune AV | TransFormation Professional Protocol | 20 mg | — | Capsule |
| Zinc Lozenges Wild Berry Flavored● OTHER INGREDIENTS (1) | Nature's Way | 20 mg | — | Lozenge |
| Ester-C Plus Immune Complex | Solgar | 16.5 mg | — | Softgel Capsule |
| Ultra Zinc + Lozenges● OTHER INGREDIENTS (1) | New Sun | 5 mg | — | Lozenge |
| Zinc + A & C● OTHER INGREDIENTS (2) | Indiana Botanic Gardens | 5 mg | — | Lozenge |
| Ultimate Zinc-C● OTHER INGREDIENTS (2) | NOW | 5 mg | — | Lozenge |
| Magenta Self-Healer | Flower Essence Services | 0 NP | — | Liquid |
| Post-Trauma Stabilizer | Flower Essence Services | 0 NP | — | Liquid |
| AM - PM Power Cleanse Herb Blend Formula● OTHER INGREDIENTS (2) | The Vitamin Shoppe | 0 NP | — | Tablet or Pill |
| Lomatium Elderberry Throat Spray | Eclectic Herb | 0 NP | — | Liquid |
| intraMAX 2.0 Peach Mango Flavor | Drucker Labs | 0 NP | — | Liquid |
| Echinacea Purpurea | Herb Xtra | 0 NP | — | Capsule |
| Lomatium Osha Throat Spray | Eclectic Herb | 0 NP | — | Liquid |
| Echinacea 2000 mgDiscontinued● OTHER INGREDIENTS (1) | Webber Naturals | 1700 mg | — | Softgel Capsule |
| Echinacea HerbDiscontinued | Nature's Answer | 1200 mg | — | Capsule |
| Echinacea With Vitamin C And CalciumDiscontinued | Nature's Answer | 750 mg | — | Capsule |
| Echinacea 500 mgDiscontinued | Webber Naturals | 500 mg | — | Capsule |
| Echinacea With Goldenseal RootDiscontinued | Swanson Premium Brand | 450 mg | — | Capsule |
| Echinacea (400 mg)Discontinued● OTHER INGREDIENTS (2) | Windmill Natural Vitamins | 400 mg | — | Capsule |
| Immune TonicDiscontinued | Vitanica Tasty Tonic | 375 mg | — | Liquid |
| Echinacea 350 mg Golden Seal 100 mgDiscontinued● OTHER INGREDIENTS (2) | Nature's Blend | 350 mg | — | Capsule |
| ThymuPlex Immune BoosterDiscontinued⚠ EXCEEDS UL● OTHER INGREDIENTS (3) | Enzymatic Therapy | 300 mg | — | Capsule |
| ThymuPlex Immune FormulaDiscontinued⚠ EXCEEDS UL● OTHER INGREDIENTS (3) | Enzymatic Therapy | 300 mg | — | Capsule |
| Full Spectrum Echinacea & Myrrh GumDiscontinued● OTHER INGREDIENTS (2) | Swanson Premium Brand | 300 mg | — | Capsule |
| Echinacea 500 mgDiscontinued● OTHER INGREDIENTS (2) | Full Life | 250 mg | — | Capsule |
| Echinacea with Goldenseal RootDiscontinued● OTHER INGREDIENTS (1) | Swanson Premium Brand | 225 mg | — | Capsule |
| Garlicin ImmuneDiscontinued● OTHER INGREDIENTS (2) | Nature's Way | 205 mg | — | Tablet or Pill |
| Echinacea 200 mgDiscontinued | Swanson Superior Herbs | 200 mg | — | Capsule |
| Elderberry/Agaricus/EchinaceaDiscontinued● OTHER INGREDIENTS (1) | Swanson Premium Brand | 200 mg | — | Capsule |
| Echinacea StandardizedDiscontinued | Nature's Way | 190 mg | — | Capsule |
| Combination G SLPDiscontinued | Loomis Enzymes | 170 mg | — | Capsule |
| Feminine CareDiscontinued● OTHER INGREDIENTS (3) | Jeunique | 120 mg | — | Tablet or Pill |