Complex sentence: This campaign included protests in 2010 against Boots for selling homeopathic preparations as equivalent to mainstream, scientifically-based medicine and involved mass homeopathic overdoses outside Boots stores to mock what the protesters asserted to be the lack of efficacy in homeopathic products.
Split into simpler sentences: This campaign included protests in 2010 against Boots for selling homeopathic preparations as equivalent to mainstream, scientifically-based medicine. The protests included mass homeopathic overdoses outside Boots stores to mock what the protesters asserted to be the lack of efficacy in homeopathic products.