third-party testing is recommended for critical applications
One honest note worth making: persistent, unexplained fatigue is sometimes a sign of something a nutrient drip cannot fix on its own, from thyroid issues to anemia to a sleep problem that needs attention
For instance, sermorelin should not be used by individuals with an active malignancy (cancer) due to growth hormone's potential to promote cell proliferation
In contrast, peptides such as BPC-157, Thymosin Beta-4 (TB-500), Epithalon, and GHK-Cu remain experimental, often falling into a regulatory gray area, especially when promoted as supplements online
Also, growth hormone levels drop as we get older, and there was interest in seeing if tweaking these levels might benefit older adults struggling with loss of bone and muscle mass and increases in body fat