Book cover of Fast This Way by Dave Asprey

Fast This Way

by Dave Asprey

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Introduction

In "Fast This Way," Dave Asprey, a renowned biohacker and wellness expert, presents a revolutionary approach to fasting that goes beyond mere dietary restrictions. This book challenges conventional wisdom about fasting and offers a fresh perspective on how to harness its power to improve both physical and mental well-being.

Asprey argues that fasting isn't just about abstaining from food; it's a mindset that can be applied to various aspects of life. He introduces readers to the concept of "going without" as a means to gain strength, clarity, and control over one's life. Through a combination of scientific research, personal experiences, and practical advice, Asprey guides readers on how to incorporate fasting into their lives in a sustainable and enjoyable way.

The Essence of Fasting

Fasting as a Mindset

Asprey emphasizes that fasting is not simply a diet or lifestyle choice, but rather a mindset. It's about learning to go without and gaining strength through self-control. This approach extends beyond food to other areas of life, such as social media use or other habits that may be holding us back.

The author introduces the concept of "dopamine fasting," which involves taking breaks from instant gratification sources like social media. By resisting these urges, we can build mental strength and focus on more important tasks.

Hunger vs. Cravings

One of the key distinctions Asprey makes is between hunger and cravings. He explains that hunger is a biological signal, while cravings are psychological needs often manipulated by the food industry. Understanding this difference is crucial for developing a healthy relationship with food and fasting.

Fasting Without Suffering

Asprey stresses that fasting should not be about suffering or deprivation. Instead, it should be a joyous experience that provides a sense of power and control. As practitioners become more accustomed to fasting, it becomes a normal part of their routine rather than a challenging ordeal.

Getting Started with Intermittent Fasting

The 16:8 Method

For beginners, Asprey recommends the 16:8 intermittent fasting method. This involves restricting eating to an 8-hour window each day, such as from 10:00 AM to 6:00 PM. This approach is relatively easy to implement and can be adapted to fit various lifestyles.

Health Benefits of Intermittent Fasting

Intermittent fasting offers numerous health benefits, including:

  1. Regulation of insulin levels
  2. Triggering autophagy (cellular cleanup process)
  3. Slowing aging
  4. Reducing inflammation

Coping with Initial Discomfort

To help manage potential discomfort during the fasting period, especially in the morning, Asprey suggests starting the day with Bulletproof Coffee. This concoction of black coffee, grass-fed butter, and C8 MCT oil provides fats that can sustain energy levels while maintaining the fasting state.

Developing an Effective Fasting Routine

Inconsistent Fasting for Better Results

Asprey advises against following the same fasting routine every day. Instead, he recommends mixing up fasting lengths and styles to keep the body adaptable and prevent it from becoming too accustomed to a single pattern.

Understanding Fasting Stages

The author explains the different stages of fasting and their effects on the body:

  1. 4-16 hours: The body starts running on stored energy, breaking down glycogen for glucose.
  2. One Meal a Day (OMAD): The body enters fat-burning mode, converting stored fat into ketones for energy.

Balancing Fasting and Nutrition

While extended fasting can have benefits, Asprey cautions against doing it too frequently. He suggests a varied approach:

  1. Start the week with a high-protein, high-fat breakfast
  2. Mix OMAD and intermittent fasting throughout the week
  3. Allow for cheat days on weekends

This inconsistent routine helps eliminate cravings and keeps the mind and body sharp by forcing adaptation to changing conditions.

The Importance of Sleep in Fasting

Sleep as a Fasting Period

Asprey emphasizes the critical role of sleep in the fasting process. He points out that sleep time counts as fasting and offers numerous health benefits, including:

  1. Reduced risk of cancer and heart attacks
  2. Cellular repair
  3. Reduced brain inflammation
  4. Increased human growth hormone (HGH) levels

Syncing Sleep and Fasting Schedules

The author stresses the importance of aligning sleep and fasting schedules for optimal results. He recommends:

  1. Maintaining a 3-hour window between eating and bedtime
  2. Reducing exposure to artificial light before bed
  3. Being flexible and forgiving with oneself when establishing new routines

Fasting and Exercise

Metabolic Flexibility

Asprey introduces the concept of metabolic flexibility, which is the body's ability to switch between burning sugar and fat for energy. He explains that intermittent fasting helps develop this flexibility, allowing for better performance during fasted workouts.

Benefits of Exercising While Fasting

Working out in a fasted state can offer several advantages:

  1. Improved fat burning
  2. Reduced inflammation
  3. Better hydration (when consuming good fats)

Post-Workout Nutrition

After exercising in a fasted state, Asprey suggests consuming a healthy amount of carbohydrates. This rapid change between metabolic states can further enhance the body's adaptability and strength.

Hot-Cold Therapy

To complement fasting and exercise, the author recommends incorporating hot-cold therapy, such as ending showers with cold water. This practice can improve mood, boost the immune system, relieve pain, and aid in weight loss.

Fasting for Women

Gender-Specific Considerations

Asprey acknowledges that women may need to approach fasting differently due to their unique physiology and reproductive capabilities. He notes that excessive fasting can lead to hormonal imbalances and other health issues in women.

Tailored Fasting Strategies for Women

To address these concerns, the author suggests the following strategies for women:

  1. Limit intermittent fasting to every other day
  2. Start with shorter fasting windows (e.g., 14 hours instead of 16)
  3. Save high-intensity workouts for non-fasting days
  4. Use Bulletproof Coffee to ease bodily stress during fasting
  5. Pay attention to iron levels and supplement if necessary

Precautions for Specific Situations

Asprey advises women to consult with a doctor before starting a fasting regimen, especially if they are:

  1. Breastfeeding
  2. Planning to get pregnant
  3. Experiencing fertility issues
  4. Underweight
  5. Have a history of eating disorders

He emphasizes that pregnant women should never fast.

The Spiritual Aspects of Fasting

Heightened Awareness

Asprey explores the spiritual dimensions of fasting, noting that it can lead to increased sensory awareness and a deeper connection with the world around us. He points out that fasting has been a central practice in many religious and spiritual traditions throughout history.

Fasting as Meditation

The author encourages readers to view fasting as a form of physical meditation, embracing the joy and pleasure that can come from the practice. He suggests that fasting can help individuals discover aspects of themselves beyond their physical bodies.

Sexual Energy and Fasting

Asprey discusses the relationship between fasting and sexual energy, noting that orgasms during extended fasts may be more intense for both sexes. He also touches on Daoist teachings regarding sexual practices during fasting periods.

Avoiding Self-Judgment

The author emphasizes the importance of not being too hard on oneself when fasting doesn't go as planned. He suggests viewing these moments as opportunities for self-reflection and growth rather than failures.

Practical Tips for Successful Fasting

Start Slowly

Asprey advises beginners to ease into fasting gradually, starting with shorter fasting periods and gradually increasing the duration as they become more comfortable with the practice.

Listen to Your Body

The author emphasizes the importance of paying attention to your body's signals and adjusting your fasting routine accordingly. This may involve modifying fasting schedules or incorporating specific foods to address cravings or nutrient deficiencies.

Stay Hydrated

Proper hydration is crucial during fasting periods. Asprey recommends drinking plenty of water and incorporating electrolytes if needed.

Manage Stress

Stress can make fasting more challenging, so the author suggests incorporating stress-management techniques such as meditation, deep breathing, or gentle exercise during fasting periods.

Break Fasts Mindfully

When ending a fast, Asprey advises breaking it with easily digestible foods and avoiding overeating. This helps ease the body back into its normal digestive processes.

Beyond Food: Applying Fasting Principles to Life

Digital Fasting

Asprey encourages readers to apply fasting principles to their digital lives by taking regular breaks from social media, email, and other technology-driven distractions.

Emotional Fasting

The author suggests practicing "emotional fasting" by consciously avoiding negative emotions or reactions for set periods. This can help develop greater emotional resilience and self-awareness.

Consumption Fasting

Asprey proposes periodic fasts from consumerism, challenging readers to go without making non-essential purchases for a set time. This can lead to a greater appreciation for what one already has and a more mindful approach to consumption.

Conclusion

In "Fast This Way," Dave Asprey presents a comprehensive and nuanced approach to fasting that goes beyond mere calorie restriction. By framing fasting as a mindset and a tool for personal growth, Asprey offers readers a path to improved physical health, mental clarity, and spiritual well-being.

The book's key takeaways include:

  1. Fasting is a mindset that can be applied to various aspects of life, not just food.
  2. Intermittent fasting offers numerous health benefits and can be adapted to fit individual needs.
  3. Inconsistent fasting routines can lead to better results by keeping the body adaptable.
  4. Sleep plays a crucial role in the fasting process and should be optimized alongside fasting practices.
  5. Women may need to approach fasting differently due to their unique physiological needs.
  6. Fasting can have spiritual dimensions and lead to increased self-awareness.
  7. The principles of fasting can be applied to other areas of life for personal growth and development.

By following Asprey's guidance and experimenting with different fasting approaches, readers can discover a sustainable and enjoyable way to incorporate fasting into their lives. Ultimately, "Fast This Way" offers a roadmap for becoming a healthier, more resilient, and more conscious individual through the practice of strategic fasting.

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