Menstrual Cup at Mercadona or Carrefour? What They Sell (and What They Don’t)

Thousands of people search for a menstrual cup at Mercadona every month… and most end up buying something else. Why? Because the supermarket shelf solves the purchase, but not the real question: is this specific cup right for my body? If you’ve landed here searching for a cup at Mercadona or Carrefour, you probably want what most people want: to sort it out at your usual supermarket, with no waiting and no overspending. That’s fair, and that’s why we’ll answer honestly, without making up prices: what you can actually find at a supermarket, what you won’t find there, and when each option pays off. We do sell cups, yes, but we’d rather you buy well-informed wherever you go than blindly anywhere at all.

Menstrual cup at Mercadona and Carrefour: what’s really on the shelf

Supermarkets have added menstrual cups to their intimate hygiene aisles in recent years, sometimes under store brands and sometimes under a known pharmacy-adjacent brand. The range changes by chain, store and season, so the honest thing to do is not give you a fixed list of models and prices that could be outdated tomorrow: if you see a cup at your supermarket, it’ll usually be a single brand, in one or two sizes, with a single firmness level.

And let’s be clear from the start: a supermarket cup can be a perfectly valid cup. If it’s medical-grade silicone and it fits you well, it’ll work: the largest scientific review on menstrual cups (van Eijk et al., The Lancet Public Health, 2019; 43 studies, over 3,300 participants) concluded that the cup is a safe option with leakage rates equal to or lower than tampons and pads. The issue isn’t the safety of the format; it’s something else, which we cover next.

What you won’t find at the supermarket (and it matters)

A menstrual cup isn’t shampoo: there’s no single cup that’s good for everyone. Getting it right depends on your size, your cervix height, your pelvic floor and your flow. And that’s where the supermarket channel falls short:

• No variety of sizes and firmness levels: a single firmness can’t work equally well for a swimmer with a rock-solid pelvic floor and someone with a sensitive bladder. At Sileu there are 7 models across 5 different firmness levels for exactly this reason.
• No sizing guidance: the box at the supermarket doesn’t ask whether your cervix is high or low. Our guide to finding your cervix is the step that prevents half the “this cup just isn’t for me” mental returns.
• No advice or aftersale support: if your cup leaks or you can’t get it to open, there’s nobody to ask at the supermarket. We have an FAQ, a forum, and support.
• Little material information: always look for biocompatibility certification. We explain what ISO 10993, USP and FDA mean and why the ISO 10993 standard is the international reference for devices used inside the body.
• No accessories: a sterilizer, case, or lubricant are usually nowhere to be found next to the cup on the shelf.

What about price? Let’s compare with our own real figures

We’re not going to publish Mercadona or Carrefour prices here that we can’t verify consistently: they change, vary by store, and it wouldn’t be honest to pin them down. What we can tell you exactly is what ours costs, because we make it and sell it with no middlemen: a Sileu Classic costs €14.99, the Rose €19.99, and the full Sileu Travel Pack (cup + foldable sterilizer + pouch) €29.99, our store’s best-seller with over 600 units sold.

In other words: the price range of a store-brand cup and a specialist cup with certified silicone overlap. The “it’s cheaper at the supermarket” barrier is, today, much smaller than it seems: selling direct from the factory lets us compete on price with any shelf. Also think about what the shelf doesn’t tell you: the pad and tampon business runs on you coming back every month, while a €15-20 cup lasts you for years. That’s why people who switch to a cup end up asking themselves the same question: how come nobody told me sooner? If you compare against other Spanish pharmacy brands, the difference is even clearer: we break it down in our Enna vs Sileu comparison.

When it does make sense to buy a menstrual cup at Mercadona or Carrefour

Let’s be fair to the supermarket channel, which has its own advantages too. Looking for a cup at Mercadona isn’t always the wrong move:

• You need it today: your period doesn’t wait for delivery. While our shipping from Spain takes 24-72h, the supermarket gets it to you in 10 minutes.
• You already know exactly which cup works for you and the store brand matches the size and firmness you use.
• You want to try the concept with whatever you find first, accepting that specific cup might not be ideal for your body.

In that last case, a piece of honest advice: if that first cup doesn’t win you over, don’t write off the menstrual cup as a method. In most cases, the problem is the model, not the method. Changing the firmness or size transforms the whole experience, as we explain in our guide to choosing firmness and model.

How to choose well if you buy online

If you decide to take your time and buy online, here’s the short path to getting it right the first time:

1. Measure your cervix on a period day (guide here): it decides cup length.
2. Consider your flow and history: size S for light-medium flow with no vaginal births; size L for heavy flow or after a vaginal birth.
3. Choose firmness based on your pelvic floor: firm if you train hard (Sport), medium for everyday use (Rose, Classic), soft if you’re sensitive (Soft).
4. Still unsure about sizing? The Starter Pack S+L (€21.99) includes both sizes so you can try them at your own pace.

And if it’s your first cup, our complete beginner’s guide walks you through from purchase to your third cycle.

In short: Mercadona menstrual cup or specialist?

Buy at the supermarket if you need it today or you already know your ideal model and the shelf has it. Buy from a specialist if it’s your first cup, you have any specific need (low cervix, a very strong or very sensitive pelvic floor, postpartum), or you simply want to be able to ask someone if something isn’t working. Price is no longer the difference; getting it right is.