Herb Pharm Echinacea Alcohol-Free Extract: Immune System Support for All Seasons | Fast-Absorbing Echinacea Root Organic Supplement | Non-GMO, Vegan & Gluten-Free | Glycerite Liquid | 1 oz

Customers find this herbal supplement effective for immune support, particularly during winter, and appreciate that it's alcohol-free, using glycerine instead. The product receives positive feedback for its natural ingredients, good taste, and ease of use, with customers considering it worth the price. While many report feeling better within two days of use, one customer experienced nausea.