The starch be used in all Ko Da's products are the corn starch that meet the requirements of Pharmacopoeia. Our corn starch comes from non-GMO corn without genetically modified ingredients. Our supplier are requested to provide a statement of assurance about the sources, as well as the analysis report of not using Maleic Acid and Maleic Anhydride.

Some herbs are sticky and greasy in nature, i.e. Mai Men Dong, Dan Shen, Sheng Di Huang, Shu Di Huang, etc. Therefore, the formulas which contain these herbs will be lumped easily. This is common condition and the safety of product is guaranteed as the agglomerates can be stirred.

In general, fine particles tend to clump and agglomerate if they are moist or tacky or the lid was not closed tightly, especially that Ko Da's products are concentrated in higher ratio. The TCM products shall be stored at dry place and protect from heat. Kindly close the lid tightly everytime after using.

If it is a refillable prescription, please place the medicine sachet bags into a sealed PE bag and put into refrigerator to avoid lumping.

No, they are different. Grinded chinese herbal powder is the powder being grinded directly after herbs cleaning and drying without any decoction process.

Concentrated chinese medicine granules are traditional Chinese medicinal herbs extracted by using state of the art extraction and concentration technology in the Good Manufacturing Practice (GMP) standard manufacturing plant.

The product quality is guaranteed after many steps of rigorous quality control.

The efficacy of different dosage forms are same. Different dosage forms are designed in order to meet different consumer's needs.

Our products are natural herbal products that being extracted and concentrated by using high technology and strict quality control. The color and flavor of chinese herbs might be vary with the harvest seasons, climate, origin, etc. These little difference of color and flavor are the common conditions, moreover the color difference could be more obvious after high ratio concentration process.

Our products are all natural and no artificial coloring be added. Therefore, the little difference of each batch of herbal products are reasonable, as well as the efficacies are not affected.