Can a 17 yrs old (18 running) consume green coffee bean extract?

Insufficient reports: Green coffee beans are beans that have not been roasted. Roasting decreases chlorogenic acid, a chemical that is believed to increase metabolism and help with weight loss. Inadequate studies have been done to prove safety or to determine correct dosing. Green beans also contain caffeine, which is well known to cause upset stomach, jitteriness, insomnia and occasionally anxiety.