Yes, taking too many supplements can be a problem. The usual issues are getting the same nutrient from more than one product, fat-soluble vitamins building up because the body stores them, and interactions with other supplements or medicines that the labels don't mention. The fix is rarely dramatic: write down everything you take and go over it with a pharmacist.
The risks of stacking too many
Overlap is the most common one. A typical cabinet might hold a multivitamin, a vitamin D someone recommended, an omega-3 you started after reading about it, and a magnesium or probiotic on top. A multivitamin plus a separate vitamin D, for example, means you're getting vitamin D from two places. With water-soluble vitamins the excess mostly passes through. Fat-soluble vitamins are stored, so overlapping amounts can add up over time. Either way, more supplements doesn't reliably mean more benefit. Past a certain point, extra amounts of some nutrients just get stored or flushed out without doing anything else.
Interactions are harder to spot. Supplements can affect each other, or affect medicines you take, and that usually isn't printed anywhere obvious. Two bottles bought months apart at different stores won't tell you how they behave together. Someone has to look at the whole list at once to see it.
Then there's the bottle you can't explain. Maybe it was suggested for one season, or for a stretch when you felt run down, and it simply never left the routine. Something that made sense six months ago isn't automatically right today. Checking the list now and then is a normal habit, not paranoia.
Simplify and keep track
Lay out everything you take and bring the list to a pharmacist. They can spot overlaps and tell you what's worth dropping or spacing apart. A shorter list is also easier to live with: less to remember, less to run out of, less to reorder.
Before that conversation, try writing a rough reason next to each item. General wellness, a doctor's suggestion, something you read about. The ones where you can't come up with a reason are usually the first to question. You don't need any special tool for this, just a few minutes and some honesty about what you're actually taking.
A clear list helps after the review, too. Pillog shows what you take and when, lets you check each dose off from the notification, and keeps it all on your phone with no account, so your whole routine is visible on one screen.
Making what's left easier to stick with
Cutting things is half of it. The other half is making the remaining supplements easy to take every day. Grouping them by time of day, keeping them somewhere you'll see them, or setting a reminder often matters more day to day than which exact products are on the list. A routine you actually follow beats an ambitious one you keep missing.
When you add something new, add it alone rather than alongside two other new things. If something feels off, you'll know which product to look at. And if you're unsure about timing, spacing, or whether two products belong together at all, ask a pharmacist to look at your specific combination instead of relying on general advice.