Across 21 first-hand reports, people mentioned a side effect 11 times (about 52 per 100 reports). The most common: death, fatigue, heart problems. User reports show what people notice — they can't tell you whether Dnp is safe for you.
“DNP is useful for fat loss. Unfortunately, it is expensive and difficult to find, and it has rather annoying side effects. It is, however the only thing that has ever caused me to lose weight.”
“there is a type of poison body builders use, but i dont recommend it: dnp”
Conclusion: A previous history of fracture confers an increased risk of fracture of substantial importance beyond that explained by BMD. The effect is similar in men and women. Its quantitation on an international basis permits the more accurate use of this risk factor in case finding strategies.
Conclusion: This effect in the highest BMI categories was of greater magnitude in men than women. These results will inform the second iteration of FRAX®.