I have really bad cramps and gas I just started my period yesterday and my tummy continues to get bloated and deflate even when im not on my period?

Sugar malabsorption. Gas and abdominal pain are frequently due to your dietary intake of carbohydrates (sugars) that are not absorbed completely. The sugars pass through your small intestine and arrive in the colon where they are converted to gas and acids. Testing for specific sugar malabsorption by breath testing can help you adjust your diet to avoid bloating and pain. This is a good place to start.
Malabsorption. You may have malabsorption of somethings in your diet, most common thing is lactose in dairy products, Try lactaid and probiotic to see whether it makes any difference.