L-tyrosine is an amino acid that's often used in supplements to improve cognitive function affected by stress. Supplements containing L-tyrosine supplements may also help treat phenylketonuria (PKU).

Income at or above those thresholds would trigger a Form 1099-K, or report of payments you received for goods or services during the year. The law was supposed to go into effect in 2022 but was ...

Forbes contributors publish independent expert analyses and insights. Robert W. Wood is a tax lawyer focusing on taxes and litigation.

L-arginine is an amino acid that may help promote blood flow, athletic performance, and wound healing, among other benefits. But taking L-arginine supplements may interact with certain medications ...

Forbes contributors publish independent expert analyses and insights. Robert W. Wood is a tax lawyer focusing on taxes and litigation.

Millions of Americans receive 1099-Ks from third-party payment platforms like PayPal, Venmo, Stripe, and more every year. But in 2025, that number is expected to soar. The IRS announced the ...

Form 1099-K reporting requirements have created a lot of confusion, and it's understandable why. Many of those sellers haven’t received 1099-Ks before, so understanding the new rules is ...