Harmful compounds in bread may impact fertility. Learn what to avoid and which healthier, fertility-friendly options to choose.
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Bread might be considered one of life’s simple superfoods, yet surprisingly not all breads are equal. According to a recent investigation by 60 Million Consumers, many sliced loaves lining supermarket shelves hide harmful compounds capable of disrupting hormone balance.

Soft, Golden, and…Toxic?

With its soft, fluffy texture and easy convenience, sandwich bread effortlessly charms adults and children alike. Perfectly versatile, sliced bread fits easily into countless sweet and savory recipes.

But here’s the catch: a study published by consumer watchdog 60 Million Consumers, cited by the website La Plasturgie, revealed alarming findings. Nearly 45% of 65 tested sliced breads contained pesticide or mycotoxin residues, exceeding recommended limits. Alarmingly, these chemical culprits, stemming from agriculture use or molds, have been linked to fertility issues and reproductive disorders. Children are especially vulnerable to their effects.

Facing these revelations, our nutrition expert, Julie Boët, isn’t surprised. She explains, “Most commercially-produced sandwich breads rely on low-quality ingredients—added sugars, unhealthy fats, and various additives—to enhance texture, taste, and shelf life. This makes them ultra-processed foods.”

Harmful Compounds in Bread and Fertility Consequences

Indeed, besides basic flour, water, sugar, and salt, your daily slice likely harbors additional unwelcome ingredients:

  • Added sugars: “These enhance taste and softness but can cause repeated spikes in blood sugar,” warns Julie Boët. “Over time, such frequent boosts disrupt insulin sensitivity and may result in ovulation problems for women and lower sperm quality for men.”

  • Food additives (preservatives, emulsifiers, texturizers): “Many additives act as endocrine disruptors,” Julie notes. “They interfere with sex hormone functions, potentially harming fertility and reproductive health.”

  • Refined oils high in trans-fats or excessive omega-6: “These promote chronic inflammation,” the expert cautions. “Chronic inflammation negatively affects menstrual cycles, cervical mucus quality, and maturation of egg and sperm cells.”

  • Low nutrient density: “Sadly, industrial sliced bread typically lacks fiber, B vitamins, zinc, and magnesium—all crucial nutrients for reproductive function,” adds Julie Boët.

Turning Towards Healthier Alternatives

But don’t worry, there are healthier, fertility-friendly alternatives. Julie Boët suggests choosing nutritious bread options that truly nourish and protect your body.

  • Artisanal wholemeal bread: “Rich in fiber and powerful nutrients, it’s excellent for managing blood sugar levels while providing reproductive health support through vitamins and minerals.”

  • Sourdough bread: “Natural fermentation makes sourdough easier on your digestive system and lowers its glycemic impact compared to standard sliced bread.”

  • Whole-grain loaves: “Crafted with entire grains, whole-grain bread is a practical, nutrient-dense swap for ultra-processed industrial bread,” the expert concludes.

Bottom line: Your morning toast can still fit in occasionally, but swapping industrial sandwich bread for healthier options can benefit both your fertility and overall well-being.

**Une Diététicienne Alerte Sur Les Effets Méconnus Du Pain De Mie Sur L’Organisme**

This article first appeared on doctissimo.fr – Author: Louise Ballongue in collaboration with Julie Boët (dietician-nutritionist)