1 serving each day makes 30 doses for a month which usually gets in 1 bottle. However, the effect of the usage exhibits only after 8-12 weeks of usage of the product. Therefore it is always to get the 3-month or 6-month package together. Mostly one scoop of collagen Refresh is enough to keep a person well enough throughout the day but more than one scoop never harms your body as the supplement is free of any synthetic additives.