A caloric restriction diet can have a significant impact on hormone production. When the body receives fewer calories, it enters a state of energy conservation, which leads to changes in hormone levels. Specifically, levels of insulin-like growth factor-1 (IGF-1), thyroid hormones, and reproductive hormones such as estrogen and testosterone may decrease. This response is believed to be an adaptive mechanism to conserve energy and protect the body during periods of limited food availability.
What We OfferWhile many hormones tend to decrease with caloric restriction, there are a few hormones that may show an increase. For example, the hormone ghrelin, which stimulates hunger, is often elevated during a period of restricted calorie intake. This hormone serves as a signal to the brain that the body requires more food. It is also worth noting that the release of stress hormones, such as cortisol, may be elevated in response to the stress imposed by caloric restriction. Overall, hormone responses to caloric restriction can vary depending on the specific hormone and individual factors.
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