- How to choose the Melatonin Sleep Aid for weight loss at home
- Melatonin For Anxiety – which is better to choose?
melatonin – Wiktionary
How to choose the Melatonin Sleep Aid for weight loss at home
Morphological and syntactic properties 
Noun, inanimate, masculine (type of declension ?? according to the classification A. A. Zaliznyak).
Semantic properties 
main pineal hormone ◆ The use of peptides in elderly and senile people restores metabolism, increases melatonin level, improves various physiological functions of the body and reduces their mortality in the period of 8-12 years of randomized clinical study by 44-49% compared with the control group. V.H. Khavinson, V.V. Malinin, B.F. Vanyushin, “The Epigenetic Mechanism of Evolution: Peptides Regulate Gene Expression and Increase the Life Span of the Body,” V Russian Symposium. Proteins and peptides. Abstracts of the city // “2011”
Related words 
Melatonin For Anxiety – which is better to choose?
Derived from ??
Idioms and stable combinations