 [ Symptoms ] are chewable supplements considered sublingual absorbtion rate similar to a product that dissolves under the tongue  i am considering purchasing glutathione chewable supplement i have heard that glutathione is best absorbed sublingually will i achieve similar absorption with a chewable  thanks in advance [ Disease ] certain medical conditions can cause thinning of the bones these include kidney disease hyperparathyroidism overactive secretion of parathyroid hormone vitamin d deficiency hyperthyroidism overactive thyroid liver disease intestinal disease by taking your medical history and checking routine laboratory blood tests your doctor can detect these and other causes for low bone density