Generally it is recommended that liquid non-dairy creamers be consumed within 14 days of opening the product.

skim milk instead of creamer in your coffee (2 creamers = 45 calories; skim milk = negligible calories; plus, it adds calcium)

Using a laboratory model that simulates digestion in the stomach and small intestine, ferruzzi tested green tea with a number of additives, including juices and creamers.