In the first experiment, ovaries were collected in four seasons (winter, spring, summer and autumn), with differences in THI, and in the second experiment, ovaries were exposed to 30 C (control), 38.5 C, 40 C and 41 C
For the researchers, To our knowledge, this is the first report to show that L-carnitine may be useful in alleviating fatigue symptoms in hypothyroid patients and that Given the relatively high prevalence of hypothyroidism in the general population and rapidly increasing number of patients with postoperative hypothyroidism due to thyroid cancer, we believe that the results of our study have important implications for these patients. However, beginning research such as this would be more significant if corroborated by other laboratories
However, for various reasons, including dietary restrictions or absorption issues, many people do not get enough B12 from their food alone

Success depends on: Molecular size: Smaller peptides ( 3000 Da): TB-500 (4963 Da) - too large Growth hormone (22,000 Da) - way too large IGF-1 (7649 Da) - too large These require injection Most healing peptides: BPC-157 : Questionable nasal (injection or oral better) TB-500: Definitely injection only Most tissue repair peptides designed for injection Growth hormone secretagogues: Ipamorelin : Injection only CJC-1295 : Injection only GH peptides not designed for nasal Bioavailability too low nasally Weight loss peptides: Semaglutide : Injection only (or oral tablet form exists) Tirzepatide : Injection only These require subcutaneous delivery Rule of thumb: If the peptide is commonly injected by everyone probably needs injection If nasal spray versions are popular nasal likely works When in doubt injection more reliable How to properly use nasal spray peptides Technique makes or breaks results
Endocrinology 127 (5), 22172222
A 32G needle is incredibly thin, about the width of two human hairs