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A weightlifting belt helps steady heavy barbell lifts, but many lifters only need it for near-max efforts on big compound moves.

No, you do not always need aftershave, but it can soothe irritation, hydrate skin, and give a light scent after shaving.

Yes, your body needs electrolytes every day, but most healthy people meet daily needs through food and water, not constant sports drinks.

Most people who already eat enough protein do not need BCAAs, though they may help a narrow group of lifters in specific training situations.

No, you do not need creatine to build muscle, but creatine can make training feel easier and help you gain strength and size a little faster.

No, you don’t strictly need carbs to gain muscle, but they make hard training, recovery, and muscle growth easier for most lifters.

No, most people do not need standalone BCAA supplements if daily protein intake already supplies enough of these amino acids.

No, most people do not need large condoms; measuring your erect girth shows whether a larger size is right for you.

Yes, most people benefit from hair conditioner, but your hair type and routine decide how often you need it and which formula works.

In most countries, finasteride needs a prescription, but exact rules vary by dose, purpose, and where you live.