Natural Cold Remedies Market Size and Forecasts (2020 - 2030), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage: By Drug Type (Eucalyptus, Ashwagandha, Zinc, Vitamin C, Ginseng, Others); Dosage Form (Tablets, Syrup); Distribution Channel (Retail Pharmacies, Online Pharmacies, Supermarkets) , and Geography (North America, Europe, Asia Pacific, and South and Central America)