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Chilling Effects: How Fasting and Keto Diets Leave You Shivering

Are you aware that a significant number of individuals following fasting or ketogenic diets experience a drop in body temperature, leaving them feeling constantly chilled? This phenomenon is not uncommon, and understanding the factors behind it is crucial for your comfort and well-being. In this article, we will explore the reasons why fasting and keto diets can leave you shivering, including the impact of losing body fat, decreased thyroid function, and low-calorie intake. Additionally, we will discuss the effects of these diets on body temperature regulation and indicators of ketosis. By the end, you will have strategies to manage this chilling effect and ensure a more comfortable experience. So, let’s dive into this intriguing topic together and uncover the secrets behind how fasting and keto diets can leave you feeling cold.

Factors Contributing to Feeling Cold

Feeling cold during fasting or a ketogenic diet can be attributed to several factors that affect body temperature regulation. Firstly, losing body fat reduces insulation and makes the body feel colder. As fat stores decrease, there is less insulation to retain heat. Secondly, low-carbohydrate diets can decrease thyroid function and T3 levels, which can also impact body temperature. The thyroid plays a crucial role in regulating metabolism and body heat production. Additionally, consuming too few calories can result in a drop in body temperature as the body conserves energy. Lastly, fasting inhibits orexin hormone production, which helps regulate body temperature. These factors combined contribute to the sensation of feeling cold while following a fasting or ketogenic diet.

Effects on Body Temperature

Fasting and ketogenic diets can have significant effects on body temperature, impacting metabolic activity and potentially causing a drop in core body temperature. Understanding these effects is crucial for individuals following these diets. Here are three important points to consider:

  1. Losing body fat reduces insulation and makes the body feel colder. As you lose weight, especially during fasting or a ketogenic diet, the reduction in body fat can lead to decreased insulation, making you more susceptible to feeling cold.
  2. Low-carbohydrate diets can decrease thyroid function and T3 levels, affecting body temperature. Carbohydrates play a role in thyroid function, and when you reduce carbohydrate intake, it can lower thyroid function and reduce the levels of the hormone T3, which can impact body temperature regulation.
  3. Consuming too few calories can result in a drop in body temperature. Severely restricting calorie intake during fasting or a ketogenic diet can lower metabolic activity, leading to a decrease in body temperature.

Understanding these effects on body temperature can help you better manage any discomfort and make informed decisions while following fasting or ketogenic diets.

Indicators of Ketosis and the Keto Flu

When following fasting or ketogenic diets, it is important to understand the indicators of ketosis and the keto flu, which can provide insights into your body’s state and potential symptoms during these dietary approaches. Feeling cold is not a reliable indicator of being in ketosis. To confirm ketosis, urine test strips or blood ketone meters are recommended. Consuming 50 grams of net carbs per day can likely lead to ketosis. However, symptoms such as fatigue, weakness, dizziness, and lightheadedness may indicate the keto flu, which can last a couple of weeks until the body adjusts to using fat as fuel. It is crucial to manage feeling cold during fasting or a ketogenic diet. Strategies include dressing in layers, engaging in physical activity, consuming warm beverages or foods, ensuring adequate calorie intake, and considering supplementing with nutrients that support thyroid function and metabolism. If feeling excessively cold persists or worsens, seeking medical advice is recommended to rule out underlying health conditions.

Strategies to Manage Feeling Cold

To effectively manage the sensation of coldness experienced during fasting or a ketogenic diet, implementing specific strategies is essential. Here are three evidence-based strategies to help you manage feeling cold:

  1. Dress in layers: Layering your clothing can help trap body heat and provide insulation. This allows you to adjust your clothing as needed to maintain a comfortable body temperature.
  2. Engage in physical activity: Physical activity increases your metabolic rate, generating heat and helping to warm up your body. Consider incorporating exercises or activities that elevate your heart rate and promote blood circulation.
  3. Consume warm beverages or foods: Consuming warm liquids or foods can temporarily raise your body temperature. Enjoying a hot cup of herbal tea, soup, or warm broth can help you feel warmer during fasting or a ketogenic diet.

When to Seek Medical Advice

To address concerns about persistent or worsening cold sensitivity experienced during fasting or a ketogenic diet, seeking medical advice is recommended to rule out underlying health conditions and receive personalized guidance and recommendations. Feeling excessively cold for an extended period could indicate an underlying issue such as hypothyroidism or anemia. Certain medications or supplements may also affect body temperature regulation. Consulting a healthcare professional is crucial to evaluate your symptoms and determine the appropriate course of action. They can conduct a thorough medical evaluation to identify any potential health conditions and provide personalized recommendations. Remember, seeking medical advice ensures that you receive the necessary support and guidance to address your concerns and maintain your well-being during fasting or a ketogenic diet.

Conclusion

In conclusion, feeling cold during fasting or a ketogenic diet can be attributed to factors such as the loss of body fat, decreased thyroid function, and low-calorie intake. These dietary practices may also affect the body’s temperature regulation mechanisms. The indicators of ketosis, such as the keto flu, can also contribute to feeling cold. However, strategies like dressing in layers, engaging in physical activity, and consuming warm beverages or foods can help manage this chilling effect. If persistent coldness persists or worsens, seeking medical advice is important to rule out any underlying health conditions.

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