Given its benefits, Allen and Zenker say the best groups to supplement l-carnitine are those who: Are older adults Have chronic conditions such as prediabetes, heart disease, or Alzheimers Are on a weight loss journey Have PCOS Want to improve their athletic performance Follow a vegan or vegetarian diet On the flip side, the following groups might want to avoid L-carnitine supps, including those who: Take anticoagulants, or drugs to prevent blood clots, like warfarin or aspirin, Walker says
In most studies, adverse events increase as dose rises, so if headaches are a worry, favor the lower end of typical dose ranges and titrate slowly
PMID: 39889999
These medications target different metabolic pathways, which means they can complement each other without direct drug-drug interactions at the receptor level
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