Both Microplastics and Ultra-processed foods decrease Glutathione
Perplexity PDF
Related in VitaminDWiki
Glutathione benefits "virtually every physiological system"
Glutathione and Vitamin D synergism - many studies
Microplastics causing problems in humans, etc. (Vitamin D can help) - many studies
Ultra-processed foods associated with worse health and lower Vitamin D - many studies