Leaf Source Cold Formula, 100 Vegetable Capsules Trouoble Sleeping or year-round if you don't

or year-round if you don't get regular sun exposure

It works differently from most immune supplements: rather than activating immune response

It has a few unusual properties that make it useful as a topical:

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Leaf Source Cold Formula, 100 Vegetable Capsules Trouoble Sleeping or year-round if you don'tLeaf Source Cold Formula Details LeafSource Cold Formula is a 100% plant based formulation that provides scientifically validated symptomatic relief when it comes to the common cold and upper respiratory infections. The proprietary extract; Pelargonium sidoides (South African Geranium Root) is clinically proven, in more than 25 scientific studies, to reduce and relieve symptoms associated with the Common Cold, Bronchitis, Laryngitis and Pharyngitis.