Effectively helps bronchitis, colds, coughs, flu-like symptoms, digestion, the urinary tract system and more. - Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily,with meals. - TerraVita is an exclusive line of premium-quality, natural source products that use only the finest, purest and most potent ingredients found around the world. TerraVita is hallmarked by the highest possible standards of purity, potency, stability and freshness. A - White Pine Bark Powder (1 oz, ZIN: 511391): Pycnogenol may yet turn out to be one of the most important food supplements, at least in terms of reducing coronary artery problems. Small doses of inhaled pine oil vapors may make cold and flu sufferers feel better, and it is certainly safe. None of the other claims for this herb have been validated in clinical trials.