A formulation, composition or combination of substances comprising jasmonate for modulating melatonin production and/or calcification of a pineal gland and/or modulation and/or treatment of age-related neurodegeneration in a subject, particularly in a mammalian subject and more particularly in a human subject and use of jasmonate for modulating melatonin production and/or calcification of a pineal gland and/or modulation and/or treatment of age-related neurodegeneration is provided.