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Fasting and Cancer: What the Science Actually Says

Fasting and Cancer: What the Science Actually Says | The Reset Ritual Fasting and Cancer: What the Science Actually Says Can pausing food intake truly tip the scales against cancer? Here’s a balanced, evidence‑based look—without dense jargon. Reading time: 12–15 minutes | Evidence level: human trials ✔︎ / animal data ✔︎ / cell studies ✔︎ Why Put Fasting Under the Microscope? Modern oncology increasingly recognizes metabolism as a therapeutic target . Cancer cells burn through glucose at a frantic pace (the classic “ Warburg Effect ”), while healthy cells can switch fuels when food is scarce. Fasting—or diets that mimic it—exploits that difference: Starves tumors of their favorite fuel (glucose). Lowers insulin & IGF‑1 , hormones that push growth signals. Triggers differential stress resistance (DSR) —healthy cells hunker down and repair, but many cancer cells can’t adapt. 1 :contentReference[oaicite:0]{index=0} Amplifies the immune res...

Fasting During Your Menstrual Cycle: What Every Woman Needs to Know | The Reset Ritual


Fasting During Your Menstrual Cycle: What Every Woman Needs to Know

Intermittent fasting has powerful benefits for energy, weight loss, and mental clarity—but women need to approach it differently than men. Why? Because a woman’s hormonal environment changes weekly. Syncing your fasting routine with your menstrual cycle can help you avoid burnout, hormone crashes, and poor results.

Why Fasting Affects Women Differently

Unlike men, women have a monthly hormone cycle driven by estrogen, progesterone, LH, and FSH. These hormones influence everything from energy levels and cravings to fat storage and insulin sensitivity.

If you fast too aggressively during certain phases—like just before your period—you could throw off your cycle, feel fatigued, or even stall your progress.

💡 Want to learn more about fasting and hormones? See our related post: Does Intermittent Fasting Slow Down Your Metabolism?

The 4 Phases of Your Menstrual Cycle & How to Fast Smarter

1. Menstrual Phase (Days 1–5)

This is when your period begins. Hormone levels—especially estrogen and progesterone—drop. You may feel low energy, bloated, or crampy.

2. Follicular Phase (Days 6–14)

Estrogen rises, bringing more energy and better insulin sensitivity. This is the best time to fast.

💡 Related read: Electrolytes and Fasting: Why You Need Them

3. Ovulation Phase (Days 14–16)

This is when an egg is released. Estrogen peaks, and testosterone rises slightly. You may feel strong and energetic—but some women feel a dip afterward.

4. Luteal Phase (Days 17–28)

Progesterone rises. This phase brings more cravings, lower insulin sensitivity, and a need for more rest. Longer fasts may feel harder here.

  • Best approach: Lighten your fasting window (e.g., 14:10 or 12:12)
  • Try: Gentle movement, self-care, and warming foods
  • Support: Ashwagandha, cycle support teas

Can Fasting Help with PMS or Irregular Cycles?

Yes, if done gently. Many women report reduced PMS symptoms, fewer mood swings, and better skin when fasting appropriately throughout the month. However, fasting too much can lead to:

  • Missed periods
  • Increased cortisol (stress hormone)
  • Worsened thyroid function

Always listen to your body. If your period becomes irregular, scale back on fasting and support hormone balance first.

Recommended Fasting Tools for Women

Who Should Avoid Fasting Around Their Cycle?

If you experience any of the following, it’s wise to speak to a healthcare provider before continuing:

  • Missing periods or amenorrhea
  • PCOS, hypothyroidism, or hormonal imbalances
  • Pregnancy or breastfeeding

💡 More women's hormone insights in our upcoming article: Fasting and Hormonal Balance

Cycle-Synced Fasting Summary Chart

Phase Days Fasting Type Focus
Menstrual 1–5 12:12 or Rest Recovery
Follicular 6–14 16:8, 18:6 Burn fat & build energy
Ovulation 14–16 16:8 or 14:10 Peak energy + balance
Luteal 17–28 14:10, 12:12 Craving control + rest

Final Thoughts

Fasting for women isn’t about pushing harder—it’s about syncing smarter. By aligning your fasting strategy with your cycle, you’ll get better results and protect your long-term health. Track, adjust, and repeat.

💡 Share this post with someone who wants to try intermittent fasting!
And don’t forget to tag @TheResetRitual if you're sharing your journey 🧘‍♀️💬

Disclaimer: This article is for informational purposes only and is not medical advice. Always consult with your healthcare provider before making changes to your diet, fasting routine, or lifestyle. This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.

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