They are digested by gastrointestinal proteases.
Probably digested, or degraded in the hydrochloric acid of the stomach.
Enzyme preparations are one of the most useful nutritional supplements available evidence that the body seeks to conserve its digestive enzymes by reabsorbing them.
Insulin is a peptide hormone composed of 51 amino acids. It will be broken down in the stomach by protease. This is why it must be injected.
There are many, many different hormones - and routes of delivery. Inhaled corticosteroids (from asthma inhaler devices) can work in a matter of 20-30 seconds. Orally ingested hormones, such as DHEA-S may take days and even weeks to have any significant effect.
Only drugs that are water soluble, or have a high water solubility, can be absorbed through mucous membranes. Examples of these are amphetamines, opiates, many ADD medications, cocaine, etc.. Other non-water soluble (or very low solubility, like all benzodiazepines -- xanax/valium/etc.) drugs should only be ingested orally since the only effect via mucous membrane administration would be a placebo (or until the drug dripped back into your throat and entered your stomach eventually)
Certain pharmaceuticals are recommended to be suppositories. An example is phenergan(spelling?) when the patient is vomiting too much to administer it orally.
The story goes that he had this done so that he would be able to orally "satisfy" himself. Whether it's true or not is another matter.
Marijuana
Alcohol is normally ingested orally. On rare occasions it is administered intravenously, usually to treat methanol poisoning.
See how much it takes to pass out when ingested orally.
I think it's how much it builds up in your body then eventually something has to happen.
Stem cells are not effective if ingested orally.
Orally (mouth), nasally (insufflated up nose), intramuscular injection (injected into muscle), intravenous injection (injection into vein).
The pancreas will produce a lot of insulin. But this procedure in not advisable. Sucrose can be ingested orally.
You can actually eat every kind of illegal drug there is. The question you should have asked is, "Which illegal drugs will produce intoxicating effects when ingested orally?"
It would be ingested orally as caffeine is dissolved in a liquid - either naturally in coffee, tea, or artificially like certain carbonated beverages and energy drinks.
Yes you need iron because if you don't have iron then you can not live
3 to 90 days after smoking or being ingested orally.
Colon cleansers are a series of supplements which are usually taken orally. These supplements are available at health food stores and on the internet to consumers that are trying to jump-start the weight loss process. These supplements are often included with a liquid only diet that can last anywhere from forty-eight hours to seven days.