l carnitina in english High Strength Liquid L-Carnitine 5000 Mg, 16 Oz (473 ML) Carnitine - Wikipedia

Topical application, on the other hand, is a completely different beast

(157) have reviewed forty one articles including major RCTs that have studied the effect on NAC on respiratory conditions including chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, bronchiectasis, chronic bronchitis and cystic fibrosis with respect to the side effects of NAC at doses between 600 mg per day to 3,000 mg per day

The Process Precautions and Aftercare Possible Side Effects: Some people might experience pain at the injection site, itching, or swelling

Turmeric contains curcumin, a compound with anti-inflammatory and antioxidant properties that can help reduce inflammation and support skin healing

Pefloxacin treatment reduced the gene expression of several antioxidant enzymes, including Gpx3 , Gpx4, Sod2 , Sod3 , and peroxiredoxin 3 ( Prdx3 )

Yeah, but you gotta do your research, too