Lab test: B&B Organics procure their products from certified farmers, B&B Organics periodically lab test their organic products to maintain its fine and to prevent contamination. This turmeric powder is from B&B Organics. It is organic and has shelf life up to 12 months. It comes in a heat sealed container. This package contains 250g of turmeric powder. If you would like to order more with less carriage amount, then please select high quantity products. For example: If you would like to take 5 kg of dal, then please don't order 5 x 1 kg, just select 5 kg dal directly. We have products in different quantities so always select high quantity products because our carriage fees is same for 1, 2, 5, 10 and 15 kg. For example, if the carriage amounts for 1 kg dal is 100 percent and if you increase the quantity to 15 then the carriage fees will be 1500 (15x100), but if you select 15kg product directly then the carriage amount fees is just 100 only. So please always select high quantity if you would like to pay less transport amounts.