Metabolism and hormones are intrinsically linked in the body. They work synergistically to influence the other in a number of ways. In a nutshell, metabolism influences hormones in the following ways:
Thyroid Hormones
There are a number of different thyroid hormones, but metabolism is particulary influenced by the hormones Thyroxine (T4) and Triiodothyronine (T3) – a more active form of T4. Both are produced by the thyroid gland and regulate metabolic rate, which affects how quickly the body uses energy from food.
When metabolism slows down, such as during fasting or calorie restriction, thyroid hormone production may decrease, leading to a decrease in metabolic rate.
Insulin
Insulin is produced by the pancreas and is known for its role regulating blood sugar levels which it does by helping cells to absorb glucose, where it can be converted into energy. Metabolism plays a key role in insulin sensitivity—the ability of cells to respond to insulin. Poor metabolic health, as seen in obesity or insulin resistance, can lead to dysregulated insulin levels and increased risk of type 2 diabetes.
Growth Hormone
Growth hormone (GH) is essential for growth, metabolism, and body composition. It stimulates the liver to produce insulin-like growth factor 1 (IGF-1), which plays a role in regulating metabolism and promoting tissue growth. Metabolic factors, such as fasting and exercise, can influence the secretion of growth hormone.
Cortisol
Cortisol, often referred to as the stress hormone, is produced by the adrenal glands in response to stress. It works with Insulin to maintain balanced blood sugar. But while insulin removes sugar from the blood, cortisol increases it providing energy in a crisis (or perceived crisis). High cortisol suppresses the immune system, down-regulates digestive function and aids in the metabolism of fats, proteins, and carbohydrates. Chronic stress and poor sleep can deregulate cortisol levels, impacting metabolism and overall health.
Appetite hormones (Leptin and Ghrelin)
Leptin and ghrelin are hormones involved in regulating appetite and energy balance. Leptin, produced by fat cells, helps suppress appetite and regulate energy expenditure. Ghrelin, produced by the stomach, stimulates appetite. Metabolism influences the production and sensitivity of these hormones, affecting hunger and satiety signals.
Sex Hormones
Oestrogen, progesterone, and testosterone also play a role in metabolism. Oestrogen is an influencing factor in fat distribution and insulin sensitivity, while testosterone affects muscle mass and metabolic rate. Changes in hormone levels, such as during puberty, pregnancy, or menopause, can influence metabolism and energy balance.
So many conditions are linked to imbalances in hormones, that the Metabolic Balance programme is a ‘must’ if you recognise that any of your hormones may be out of sync and need a retune! It will re-educate your body and address your energy balance, growth, and reproduction as well as addressing weight.
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