Fibre comes in two types, and most diet plans only cover one
Soluble fibre dissolves in water and turns gel-like in the gut. It's what's in oats, dates, apples and beans. Insoluble fibre doesn't dissolve at all; it adds bulk and keeps things moving. Wheat bran, vegetable skins and whole grains are mostly this type. A "high-fibre diet plan" that leans on just one food, however good that food is, usually only covers one of the two.
Where the fibre actually is
Dried dates carry roughly 6-8g of fibre per 100g, and it's the soluble kind, similar in effect to oats. That makes them a fine base for the soluble side of the plan: chopped into porridge, blended into a smoothie, or eaten plain as a mid-morning snack. For the insoluble half, you don't need anything exotic. Wholemeal bread instead of white, the skin left on a cucumber or apple, brown rice instead of polished rice. None of these swaps need a shopping trip built around them; most kitchens already have at least one.
Why plans built on one "hero food" stall
If the whole plan is "eat more dates" or "eat more bran," it works for a week and then gets boring, and boredom is what kills a diet change faster than anything else. Rotating between two or three sources (dates one day, oats another, a fruit with the skin on most days) keeps the plan from feeling like a chore. It also spreads the fibre across the day instead of loading it all into one meal, which matters for the next point.
Go slowly, and drink water with it
Adding a lot of fibre in one go, from any source, tends to cause bloating and discomfort — this is a digestion-speed issue, not a sign the food disagrees with you. The usual advice is to increase intake gradually over one to two weeks and drink enough water alongside it, since soluble fibre needs water to do its job properly. Skip the water and the same fibre that's supposed to help can just sit heavy instead.
A simple day, mixing both types
Breakfast: oats with three or four chopped dates stirred in. Lunch: a sandwich on wholemeal bread with the vegetables left unpeeled where that's practical. Snack: a small handful of dates or a piece of fruit with the skin on. Dinner: brown rice instead of white, with whatever vegetables are on hand. That's soluble and insoluble fibre covered across the day, without the plan depending on any single food showing up every time.
If you're buying dates specifically to build the soluble side of a fibre plan, buying in bulk keeps a supply on hand so it isn't the first thing that runs out. See our guide on finding a reliable bulk dates supplier in Malaysia, or compare options in where to buy dates in bulk online at the best price.