Best Immune Support Brands
Last updated:
20 brands ranked by trust score based on certifications, FDA record, and transparency.
Top 3 most trusted immune support
Affiliate links — we may earn a commission at no extra cost to you. This does not affect our trust scores.
✓ Established brand — operating since 1980 (46 years)
✓ Established brand — operating since 2000 (26 years)
✓ Established brand — operating since 1991 (35 years)
All Immune Support Brands
Host Defense (Fungi Perfecti)
⚠ No third-party testing certifications found
ChildLife Essentials
⚠ No third-party testing certifications found
Sambucol
⚠ No third-party testing certifications found
Sunhope
⚠ No third-party testing certifications found
Ener-C
⚠ No third-party testing certifications found
Vital Plan
⚠ No third-party testing certifications found
Apex Energetics
⚠ No third-party testing certifications found
Researched Nutritionals
⚠ No third-party testing certifications found
Byron White Formulas
⚠ No third-party testing certifications found
Herb Pharm Kids
⚠ No third-party testing certifications found
Gaia Herbs Black Elderberry
⚠ No third-party testing certifications found
Beekeeper's Naturals
⚠ No third-party testing certifications found
Hilma
⚠ No third-party testing certifications found
Airborne
⚠ No third-party testing certifications found
Bion 3
⚠ No third-party testing certifications found
Solgar Ester-C Plus
⚠ No third-party testing certifications found
Ester-C
⚠ No third-party testing certifications found
Emergen-C
⚠ High number of FDA adverse event reports (76)
Zarbee's Naturals
⚠ 2 product recall(s) on record
Ortho Molecular Products
⚠ Received 2 FDA warning letter(s)
Free: The Trusted Supplement Shortlist
Get the PDF: every brand that publishes lab results, holds NSF/USP/Informed Sport, and has a clean FDA record. Plus FDA recall alerts when something you bought is pulled.