Hello. I am want to sell sachets of potassium, magnesium and salt combined with a small amount of natural sweet flavour for a fasting weight loss market. These would be one dose per day. Magnesium citrate must contain 350mg Potassium must contain 4, 500 mg Salt must contain 1000mg Added sweetener to taste better: Coconut oil powder... Can you make up the packaging design etc, etc? This is new product and need trial amounts to start Thank you Show More