When Good Food Gets Contaminated: Hidden Toxins from Farming, Industry, and the Environment (Part 4)

How Microplastics, Heavy Metals, and Weather Engineering Are Polluting Even the Healthiest Foods

You buy organic, eat fresh, and avoid processed foods—but even the healthiest choices can hide invisible toxins. From microplastics in your fish to heavy metals in your kale, modern pollution is sneaking into our diets.

A 2022 study found microplastics in the blood of nearly 80% of participants, showing just how widespread this issue is. (1)

Industrial farming, chemical runoff, and air pollution have turned our food supply into a hidden minefield of toxins. These contaminants don’t just vanish—they accumulate in our bodies over time, impacting  everything from gut health and hormone balance to brain function and fertility.

In this post, we’ll uncover where these contaminants come from and share practical ways to protect your health.


Microplastics in Food – The Silent Contaminant

Microplastics—tiny plastic particles less than 5mm in size—have infiltrated the global food chain, posing serious health risks

These particles originate from industrial pollution, food packaging, and even synthetic clothing fibers that shed into the environment. (2)

Where Are Microplastics Found?

  • Seafood – Fish, shellfish, and other marine animals ingest microplastics, which accumulate in their tissues and are passed on to humans.

  • Salt & Water – Studies have found high levels of microplastic contamination in sea salt, table salt, and even bottled water.

  • Tea Bags & Coffee PodsPlastic-based tea bags and single-use coffee pods release microplastics when exposed to hot water.

  • Processed Foods & Packaged GoodsFood stored in plastic packaging absorbs microplastic particles, especially when heated.

  • Fruits & Vegetables – Recent research suggests crops absorb microplastics from contaminated soil and water, integrating them into their tissues.

The Gut Connection: Microplastics vs. Microbiome

One of the most overlooked impacts of microplastics is their effect on the gut microbiome. Research has shown that microplastics can disrupt microbial diversity, increase gut inflammation, and contribute to conditions like leaky gut and immune dysregulation.

Interestingly, emerging research led by Dr. Sabine Hazan has revealed that certain strains of Bifidobacteria—particularly Bifidobacterium longum—are capable of degrading plastic particles in the gut. This makes them a vital defense mechanism against environmental toxins. However, most people today are severely deficient in Bifidobacteria due to factors such as antibiotic use, exposure to mRNA technology, processed foods, environmental toxins, and chronic stress. (3,4)  

A low level of Bifidobacteria not only weakens your ability to break down microplastics but also compromises your gut barrier, leading to systemic inflammation and toxin accumulation.

Health Risks of Microplastic Consumption

  • Hormone Disruption – Many plastics contain endocrine-disrupting chemicals like BPA and phthalates, which interfere with hormonal balance.

  • Digestive & Cellular Damage – Microplastics trigger inflammation and oxidative stress in the gut, leading to long-term health concerns.

  • Potential Carcinogenic Effects – Some studies suggest prolonged exposure to microplastics may increase cancer risks due to persistent chemical contamination.

Despite being a relatively new area of research, evidence is mounting that microplastics pose a significant risk to human health, making it crucial to minimize exposure whenever possible. (5,6,7)


Heavy Metals in Our Food Supply – How They Get There

Heavy metals such as lead, mercury, arsenic, and cadmium are increasingly found in food due to environmental pollution, industrial waste, and agricultural practices. These toxic elements accumulate in the body over time, leading to serious health risks, including neurological disorders, kidney damage, and developmental issues in children. (8,9) 

Sources of Heavy Metal Contamination in Food

Industrial Pollution & Environmental Contamination

  • Factories, mining operations, and fossil fuel combustion release heavy metals into the air and waterways.

  • These pollutants settle into soil and water, contaminating crops, fish, and livestock.

  • Lead from old pipes and industrial waste can leach into drinking water and irrigation systems.

Agricultural Practices & Pesticides

  • Many fertilizers and pesticides contain arsenic, cadmium, and lead, which are absorbed by crops.

  • Conventional livestock farming (e.g., feedlots) increases heavy metal exposure via contaminated feed or water, in contrast to regenerative farming methods which improve soil contaminants. (10) 

  • Glyphosate, a widely used herbicide, has been found to chelate (bind to) heavy metals, potentially increasing their uptake by plants.

  • Non-organic rice is particularly vulnerable to arsenic contamination, as flooded rice paddies allow arsenic from soil and groundwater to accumulate in the grains. (11) 

Seafood & Bioaccumulation

  • Mercury pollution from coal-fired power plants and industrial runoff enters oceans, where it is absorbed by small fish and progressively accumulates in larger predatory fish like tuna, swordfish, and shark.

  • Shellfish, bottom feeders, and large predatory fish accumulate heavy metals both from contaminated sediments and by eating smaller, polluted fish

Processed & Packaged Foods

  • Studies have found heavy metals in baby food, protein powders, cacao/chocolate, and even spices due to soil contamination and lax quality controls in food processing.

  • Cacao trees absorb cadmium and lead from the soil, making chocolate one of the most commonly contaminated foods. (12) 

  • Protein powders, especially those made from rice and plant-based sources, often contain higher levels of heavy metals due to soil and water contamination. (13)  

  • Baby food & infant formula contain alarming levels of heavy metals like arsenic, lead, cadmium, and mercury in many commercial baby foods and formulas. These contaminants often originate from polluted soil, water used in processing, and low-quality ingredients. Additives like corn syrup solids, other processed seed oils, and synthetic bio-unavailable nutrients can affect a developing infant’s development and burden detox systems. (14)


Health Risks of Heavy metal exposure

  • Neurological Damage – Lead, mercury, and arsenic impair brain function, leading to cognitive decline, memory issues, and developmental delays in children.

  • Kidney & Liver Damage – Cadmium and arsenic accumulate in the kidneys and liver, causing toxicity over time.

  • Hormonal Disruptions – Heavy metals interfere with endocrine function, contributing to metabolic disorders and immune dysfunction.

  • Increased Cancer Risk – Long-term exposure to arsenic and cadmium is linked to increased risks of various cancers. (15) 

With heavy metals present in water, food, and even air, exposure is difficult to avoid completely, but choosing organic, lab-tested, and minimally processed foods and using a high-quality water filter can help reduce risk of excessive exposure



Weather Engineering & Its Impact on Agriculture

Techniques like cloud seeding use chemicals such as silver iodide, raising questions about their impact on soil and crops. While evidence is limited, some studies suggest these particles could settle into farmland, potentially altering soil health or water quality. (16) More research is needed to understand these effects fully, but the topic deserves attention as climate technologies grow.

Could human efforts to control weather affect our food? Emerging research suggests that geoengineering and climate modification technologies may be affecting weather patterns, soil quality, and food production. Cloud seeding, aerosol spraying, and other weather modification techniques introduce particles like aluminum, barium, and strontium into the atmosphere—raising concerns about how these elements impact agriculture and human health. (17) 

Potential adverse effects of geoengeneering

  • Altered Rainfall Patterns – Unnatural weather changes may contribute to droughts, flooding, and crop failures.

  • Soil and Water Contamination – Certain weather modification techniques introduce heavy metals and chemical particles into farmland, affecting soil microbiomes and plant health. (18)

  • Disrupted Natural Ecosystems – Interference with natural weather cycles can have unintended ecological consequences, impacting pollinators, wildlife, and plant biodiversity.

Though weather engineering remains a controversial topic, its potential effects on water supply, food production, and human health warrant greater transparency and investigation.



Even Healthy Foods Are Affected: Protecting Yourself from Hidden Toxins

Hidden Toxins in Food – A Quick Reference Guide

Even the healthiest foods are increasingly affected by environmental pollution. Microplastics, heavy metals, and industrial pollution have contaminated much of our water and modern food supply, even in products that are traditionally considered healthy

The best way to minimize exposure is to choose high-quality, minimally processed foods and be mindful of your food sources and packaging materials.

Here is a comprehensive summary of the high-risk foods mentioned in the blog and safer alternatives to help reduce toxin exposure.

High-Risk Foods and Safer Alternatives

Baby Food &   Infant Formula           

🔴Why It's a Concern:  Conventional brands contains heavy metals (arsenic, lead, mercury, cadmium) from soil, water, and processing methods

Safer Alternative: Organic, homemade purees with lab-tested ingredients

Rice (non-organic, especially in formula & powders)

🔴Why It's a Concern:  High arsenic levels from flooded paddies and contaminated soil

Safer Alternative: Quinoa, millet, sprouted oats

Protein Powders (especially plant-based)

🔴Why It's a Concern: Often contain cadmium, lead, arsenic from soil and water contamination

Safer Alternative: 3rd-party tested whey or hemp protein or collagen 

Cacao & Dark Chocolate

🔴Why It's a Concern: Cacao trees absorb cadmium and lead from the soil

Safer Alternative: Brands that provide lab-tested purity reports (e.g., Hu, Alter Eco)

Imported Spices (turmeric, cinnamon, etc.)

🔴Why It's a Concern: Soil contamination or adulteration with lead-based colorants

Safer Alternative: U.S.-sourced or organic, lab-tested spice brands

Seafood (shellfish, tuna, swordfish, shark)

🔴Why It's a Concern: Mercury, cadmium, and microplastic bioaccumulation in tissues

Safer Alternative: Smaller fish: sardines, anchovies, wild-caught salmon

Plastic-Packaged & Processed Foods

🔴Why It's a Concern: Microplastic leaching from packaging, especially when heated

Safer Alternative: Fresh, unpackaged foods or those stored in glass/paper

Tea Bags & Coffee Pods (plastic-based)

🔴Why It's a Concern: Release microplastics in hot water

Safer Alternative: Loose-leaf tea, stainless steel or compostable pods

Salt (sea salt, table salt)

🔴Why It's a Concern: Microplastics detected in many commercial salt brands

Safer Alternative: Unrefined, tested Himalayan, Colima or Celtic sea salt

Bottled & Tap Water

🔴Why It's a Concern: High microplastic content; lacks trace minerals

Safer Alternative: Filtered tap water with high-quality filter (e.g., RO, Berkey, Clearly Filtered)

Fruits & Vegetables (conventional)

🔴Why It's a Concern: Can absorb microplastics and heavy metals from contaminated soil and irrigation water

Safer Alternative: Organic, regeneratively grown produce

Note: The presence of these toxins doesn’t mean food is unsafe across the board—but being mindful of sourcing, packaging, and processing can significantly reduce your toxic load.

Practical Steps to Reduce Toxin Exposure

You can’t avoid all toxins, but these steps can lower your exposure:

Go Organic & Regenerative: Choose organic produce and regeneratively farmed meat and dairy to reduce pesticides, heavy metals, and antibiotic residues. Look for certifications like USDA Organic or Regenerative Organic Certified. Start with EWG's 2024 Shopper's Guide to Pesticides in Produce | Dirty Dozen.

Ditch Plastic Packaging: Buy and store food in glass, paper, or stainless steel containers to cut microplastic risks.

Filter Your Water: Use a reverse osmosis or carbon block filter to remove metals, industrial pollutants, plastics, and more. A refrigerator filter is not sufficient. Check your tap water at EWG Tap Water Database.

Pick Safer Seafood: Eat low-mercury fish like salmon, anchovies, or sardines, and limit or omit tuna to once a week.

Test & Detox: Ask your functional medicine doctor about total tox burden testing detox strategies if you’re concerned. Incorporate detox-supporting foods like cilantro, chlorella, and garlic into your diet.

Toxins Are Everywhere—But You Can Take Control

Sadly, environmental toxins have become part of modern life. But with the right knowledge and tools, you can take powerful steps to protect your health.

At Denver Sports & Holistic Medicine, we’re here to guide you through it—with personalized nutrition plans, advanced detox strategies, and real solutions for reducing your toxic load.

👉 Ready for personalized support?

Request a free consultation  with Dr. Martina Sturm and learn how to strengthen your body’s detox pathways, minimize exposure, and reclaim your health—naturally.


Resources 

  1. Discovery and quantification of plastic particle pollution in human blood - ScienceDirect 

  2. Discovery and quantification of plastic particle pollution in human blood - ScienceDirect

  3. INTERNAL AFFAIRS - The HighWire

  4. IS THE COVID VACCINE KILLING YOUR GUT BIOME? - The HighWire 

  5. From oceans to dinner plates: The impact of microplastics on human health - PMC

  6. Crossing the Line: Microplastics Breach the Blood-Brain Barrier  

  7. Microplastic sources, formation, toxicity and remediation: a review - PMC 

  8. Heavy Metals Toxicity and the Environment - PMC  

  9. Toxic Mechanisms of Five Heavy Metals: Mercury, Lead, Chromium, Cadmium, and Arsenic - PMC 

  10. Regenerative Agriculture Practices: A Comprehensive Guide 

  11. Heavy metals in food crops: Health risks, fate, mechanisms, and management - ScienceDirect 

  12. Occurrence of heavy metals coupled with elevated levels of essential elements in chocolates: Health risk assessment - ScienceDirect 

  13. A human health risk assessment of heavy metal ingestion among consumers of protein powder supplements - PMC 

  14. Baby Foods Are Tainted with Dangerous Levels of Arsenic, Lead, Cadmium, and Mercury 

  15. Toxicity, mechanism and health effects of some heavy metals - PMC 

  16. The Risks of Geoengineering  

  17. Evidence of Coal-Fly-Ash Toxic Chemical Geoengineering in the Troposphere: Consequences for Public Health - PMC 

  18. Look Up: Chemtrails - Toxic Metals into Air & Water