Primus Pharmaceuticals voluntarily recalls unexpired lots of its Limbrel medical food available in 250 and 500 mg capsules. Other recent nutritional product sector recalls include Bulletproof 360's protein dietary supplement after a labeling error omitted milk as an ingredient.

Primus Pharmaceuticals say an insert in packages of its Limbrel capsules prescribed to manage metabolic processes associated with osteoarthritis advises that the ingredient baicalin could cause the lung condition acute hypersensitive pneumonitis and elevated liver enzymes in users with allergies to the flavonoid.

FDA receives 194 adverse event reports regarding Primus Pharmaceuticals''s Limbrel medical food capsules, including two about "potentially life-threatening medical conditions." The agency says a likely relation was found between the product and the conditions reported in 30 of the AERs.