Anyone talking about “toxins” and “waste products” as if they’re ‘stuck’ in your body is either very ignorant, or trying to sell you snake oil.
Some can be excreted by the human body, others can’t.
You contradicted yourself. The latter quote is true.
Chelators are sold over the counter.
https://en.wikipedia.org/wiki/Chelation_therapy
https://www.quora.com/Whats-the-best-way-to-detox-from-heavy-metals/answer/Harri-K-Hiltunen