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  • Taylor Richter, RDN, LD

Seed Cycling: Separating Fact from Fiction

In the world of women’s health, achieving hormonal balance is often a top priority. From managing menstrual irregularities to alleviating symptoms, many women seek natural solutions to support their hormonal well-being. One approach that has gained popularity in recent years is seed cycling—a dietary practice believed to help regulate hormones through the strategic consumption of specific seeds during different phases of the menstrual cycle. In this blog, we’ll explore the science behind seed cycling, its potential benefits, and practical tips for incorporating seeds into your diet to support hormonal health.

Understanding Hormones & Seed Cycling

Hormones play a crucial role in women's overall well-being, influencing everything from mood and energy levels to menstrual cycle regularity and fertility. Estrogen and progesterone are two key hormones that fluctuate throughout the menstrual cycle, each playing a unique role in preparing the body for potential pregnancy.

Seed cycling revolves around the idea that certain seeds possess unique nutritional profiles that can influence hormone production and balance. The practice typically involves dividing the menstrual cycle into two phases – the follicular phase and the luteal phase – and consuming specific seeds during each phase to align with hormonal fluctuations.

During the follicular phase (days 1-14), when estrogen levels rise in preparation for ovulation, flaxseeds and pumpkin seeds are commonly recommended. Flaxseeds support estrogen metabolism and promote menstrual regularity. Meanwhile, pumpkin seeds play a role in testosterone regulation and ovarian health.

As the menstrual cycle progresses into the luteal phase (days 15-28), characterized by the dominance of progesterone, sunflower seeds and sesame seeds come into play. Sunflower seeds support progesterone levels and contribute to hormone balance. Sesame seeds aid in estrogen detoxification and promote hormonal equilibrium.

Nutritional Benefits of Seeds

The seeds commonly used in seed cycling include flaxseeds, pumpkin seeds, sunflower seeds, and sesame seeds, each offering unique nutritional benefits that may support hormonal health:

Flaxseeds: Rich in lignans, omega-3 fatty acids, and fiber, flaxseeds have been associated with improved estrogen and progesterone ratios, potentially supporting menstrual regularity and hormone balance.

Pumpkin Seeds: High in zinc and antioxidants, pumpkin seeds support testosterone levels and ovarian function. They also provide tryptophan, which can aid in serotonin and melatonin production, benefiting mood and sleep.

Sunflower Seeds: A source of selenium, magnesium, and vitamin E, sunflower seeds offer anti-inflammatory and hormone-supportive properties. They may help with estrogen detoxification and mood stability.

Sesame Seeds: Rich in lignans and beneficial fats, sesame seeds have been linked to improved estrogen metabolism and hormonal balance, particularly in menopausal women.

While the scientific evidence specifically on seed cycling is limited, the individual nutritional properties of these seeds are well-documented. Incorporating these seeds into your diet can provide a range of health benefits beyond hormonal support, including improved heart health, digestion, and immune function.

Incorporating Seeds Into Your Diet

Whether you choose to follow a strict seed cycling regimen or simply incorporate these seeds into your diet, they can be a valuable addition to your daily routine. Here are some practical tips for including these seeds in your meals:

Flaxseeds: Add ground flaxseeds to smoothies, oatmeal, or yogurt for a boost of omega-3s and fiber.

Pumpkin Seeds: Enjoy pumpkin seeds as a snack, sprinkle them on salads, or incorporate them into homemade granola or energy bars.

Sunflower Seeds: Use sunflower seed butter as a spread, sprinkle sunflower seeds on top of soups or salads, or blend them into smoothies.

Sesame Seeds: Use tahini (sesame seed paste) in dressings, dips, or sauces, or sprinkle sesame seeds on stir-fries or roasted vegetables.


While scientific research on seed cycling specifically remains limited, the individual benefits of the seeds it includes are well-documented. Incorporating flaxseeds, pumpkin seeds, sunflower seeds, and sesame seeds into your diet not only supports hormonal health but also offers a plethora of other health benefits, including improved heart health, digestion, and immune function.



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