Choosing between a menstrual cup, disposable pads, and period underwear usually comes down to personal comfort more than any single "best" answer — but the practical differences are worth laying out clearly.
Menstrual cups
A reusable silicone cup worn internally, typically emptied and rinsed every 8-12 hours. The main appeal is cost over time — one cup can last several years — and less frequent changing than pads. The trade-off is a learning curve: insertion and removal take some practice, and emptying one outside a private bathroom can feel less convenient than swapping a pad.
Disposable pads
The most familiar option, worn externally and replaced every few hours. Pads require no learning curve and are widely available, which makes them a reliable default. The downsides are ongoing cost over time and the amount of waste generated compared to reusable options.
Period underwear
Underwear with built-in absorbent layers, washed and reused like regular underwear. It works well as a backup for light days, overnight use, or paired with a cup for extra security. Upfront cost per pair is higher than a pack of pads, but it is reusable for a couple of years with proper care, and involves less daily waste than disposables.
Cost comparison over a year
Disposable pads carry a recurring monthly cost that adds up over a year. A menstrual cup is a single upfront cost that then covers multiple years. Period underwear falls in between — a moderate upfront cost per pair, spread across regular use.
Which one actually fits you
There is no universally "best" option — it depends on your comfort with internal products, how much laundry you are willing to take on, your budget, and honestly just personal preference. Many people end up using a combination: a cup for regular days, period underwear for overnight or backup, and pads kept on hand for convenience.
The takeaway
All three are legitimate choices. If you have never tried anything beyond pads, a cup or period underwear is worth experimenting with — but there is no obligation to switch if what you currently use works well for you.