That would depend on the type of food. If the food is complex then it has to be digested and broken down into molecules that can be absorbed across the intestinal lining. This will take time and the process would be gradual (lasting hours).
However, if the food was pure glucose no digestion would be needed and the molecule would be available in the blood in a few minutes.
Lexapro (escitalopram) typically enters the bloodstream within about 1 to 2 hours after ingestion. However, it may take longer for the medication to reach peak levels in the bloodstream, usually occurring around 4 to 5 hours after taking the pill. Individual factors such as metabolism and whether the medication is taken with food can also influence this timing.
8 hours
To take the nutrients out of food and let them be abosered into your bloodstream
Water typically enters the bloodstream within 5 minutes after consumption.
If you mean "we humans" - we take in energy by the food we eat. That food contains chemical energy.
As long as you can hold a sh!t.
Most chemical drugs are out of your bloodstream and urine in 3-4 days.
Protein typically enters the bloodstream within 1-2 hours after consumption.
Protein typically enters the bloodstream within 1-2 hours after consumption.
After consuming sugar, it typically takes about 15-30 minutes for it to enter the bloodstream.
A few minutes
If you used Xanax only once, then it will most likely be gone from your bloodstream in 3 to 5 days. But if you take Xanax frequently, it will take 4 to 5 weeks for it to be gone from your bloodstream.