Quick Facts

• Dr. Amy Shah overcame chronic fatigue using 7 natural methods and later hiked Machu Picchu with unusual ease
• Processed foods and eating too close to bedtime are the worst energy drains according to the research
• Morning sunlight exposure stops melatonin production and signals the body to wake up naturally

A Harvard-trained physician who conquered her own chronic fatigue has identified seven natural energy boosters that work without caffeine or stimulants.

Dr. Amy Shah, a double board-certified doctor specializing in immunology and nutrition, was exhausted for years while juggling work and raising two young children. Her colleagues told her this was normal for her age and lifestyle.

“It felt disappointing that this was just going to be life,” Shah says.

She refused to accept constant exhaustion. Her research led to dramatic results. Shah gained enough energy to hike to Machu Picchu, where a Peruvian tour guide said they had never seen anyone complete the trek so effortlessly.

Gut Health Drives Energy Production

Shah discovered that gut bacteria directly influence energy levels. They either support production of energy-giving hormones like serotonin or create inflammation that drains energy by redirecting fuel to problem areas.

She recommends eating nutrient-dense, high-fiber foods like avocados, seeds, nuts, cruciferous vegetables and lean fish. These foods feed beneficial gut bacteria.

Processed and sugary foods are the “worst offenders” for energy, Shah explains. “Your blood sugar spikes then drops. Your cortisol spikes. Your inflammation levels rise. And all of that happens so fast.”

Timing Matters More Than Food Choices

Shah aligns eating schedules with biology. Human guts are programmed to work for 12 hours at a time. Eating too long during the day and too heavily at night disrupts necessary gut rest.

She stops eating three hours before bed and gives her body at least 12 hours between eating periods. This lets the gut fully rest and digest.

“And when I did change that, that’s when I started to see the real results,” Shah says.

Morning Light Resets Energy Cycles

Shah exposes herself to sunlight early each morning. This signals the brain to stop producing sleep-inducing melatonin and tells the body to wake up.

“That’s one of the easiest ways to boost energy,” she says.

Recent research supports Shah’s approach. Studies show that sleep loss causes specific gut bacteria to produce compounds that induce fatigue. More than half of gut bacteria fluctuate rhythmically throughout the day.

Shah documented her methods in her 2021 book “I’m So Effing Tired: A Proven Plan to Beat Burnout, Boost Your Energy, and Reclaim Your Life.” She found that a full calendar doesn’t have to mean feeling drained every day.

Read more: Kick your tiredness with these 7 natural energy boosters