Insulin comes in short-acting, long-acting and mixed formulations. Humalog is a rapid-acting insulin meant to cover a meal being eaten. Lantus is a long-acting insulin intended to provide coverage throughout the day.
Purified human insulin is most commonly used, however, insulin from beef and pork sources also are available. Insulin may be given as an injection of a single dose of one type of insulin once a day. Different types of insulin can be mixed
There is not one answer for this because different formulations of insulin will reach peak levels at different times and the length of time that insulin stays active will vary because of anti-bodies to inusulin as well as metabolic factors. Having said that human insulin takes about an hour to peak and then is about half that peak within 5 hours. see http://care.diabetesjournals.org/content/7/2/188.full.pdf
It is usually human insulin precipitated with protamin (a fish protein) to reduce its solubility and increase its duration of action. The formulations also contain cresol, phenol , Zn and sodium phosphate as a buffer.
The most prominent brands of diabetes insulin today are synthetic brands of insulin. Some examples of synthetic insulin brands are Humulin and Novolin. http://www.drugstore.com/ask/what-are-the-different-types-of-insulin/qxa1685
The human insulin protein is composed of 51 amino acids, and has a molecular mass of 5808 Da. Insulin for other species will be somewhat different.
DIFFERENT
Ask your doctor. There are four different onsets insulin can come in. If the two brands have the same speed of onset, he or she should be okay with you changing.
N Insulin last around 8-12 hours, and peaks from 4-6 hours. NPH Insulin is really a medium length acting insulin. It was used more frequently a few years ago when a regime of R and NPH or "N" was used twice a day. Today, more doctors are suggesting an insulin pump.
No, insulin is not an element. To be an element, a substance must have all the same type of atom. Once it has this, it can go on the Periodic Table. So, as insulin has many different types of atom in it, it's not an element.
Some diabetics claim that they get better control using insulin from cow or pig. The evidence is poor on support of the claim. Only one company in the world is licence to make insulin from animal extrict. Today 99% is made from 'human' DNA.
Most insulin is now synthetic. Which type is used varies depending on the patient's needs. There are different forms of insulin which have varying onset times, as well as varying times of duration.
There are several different types of medications that can be used to treat patients with abnormal blood sugar or insulin levels: Biguanides. Biguanides are drugs that improve the body's sensitivity to insulin.