Activated charcoal is made by heating charcoal in the presence of a gas. This process causes the charcoal to develop lots of internal spaces or pores. These pores help activated charcoal trap chemicals. Activated charcoal is commonly used to treat poisoning. Hospitals have used this product for many year to treat overdosing the pet industry uses activated carbon in fish tank filters to remove ammonia, nitrites nitrates other toxins in water.
A teaspoon or two of fine ground activated carbon can be taken in a glass of drinking water to act as a detox remove toxins from the body, most people report an energy increase within a few hours and overall good feeling after taking this detox. Please note taking activated charcoal will remove toxins including any medication you may be taking so bare that in mind when taking this detox.
Activated carbon is readily available most places, you will need fine grade to add to drinking water, if you have any problem purchasing its available in the iVebo marketplace:
https://ivebo.co.uk/post/12612_activated-charcoal-carbon.html