Nutrition · Healthy Aging · Daily Habits

Fiber at Every Meal

Nutrition Research

Why People Who Ate Fiber Daily Outlived Those Who Didn’t, With Up to 30% Lower Risk of Death

Study after study points to the same difference between people who get enough fiber and people who don’t. Here’s what researchers found, why most of us fall short at breakfast, lunch and dinner, and the 30-second fix.

Sandra Whitfield, Dietitian
By Sandra Whitfield, Dietitian
October 2026 · 6 min read
Busy kitchen counter at the end of a long day

On a busy day, most of what we eat has little or no fiber in it.

Think about what you ate yesterday.

Coffee in the morning. A quick sandwich at lunch. Something fast for dinner.

It filled you up. But how much fiber was in any of it?

For most of us, not much. And researchers keep finding that fiber is one of the clearest differences between people who live longer and people who don’t.

1. The research

Plenty of fiber vs. very little: the difference researchers keep finding

In 2019, The Lancet published a major review commissioned by the World Health Organization. Researchers pulled together decades of studies, 185 of them following large groups of people over time, to answer a simple question: what happens to people who eat a lot of fiber, compared with people who eat very little?

The answer was one of the clearest in nutrition research:

Group A
Ate the least fiber
The comparison group.
Group B
Ate the most fiber
15–30% lower
risk of death from any cause and from heart disease

Reynolds et al., The Lancet, 2019. Compares people with the highest fiber intake against those with the lowest.

And the pattern holds up in the US. A 12-year study of 5,761 American adults over 40 found that people who got more fiber had a 21% lower risk of death than people who got less. (King & Xiang, Journal of the American Board of Family Medicine, 2021; compared among adults who ate breakfast daily)

Put simply: across meals and across years, the people who got fiber came out ahead.

2. The catch

A full plate isn’t the same as a fiber-rich one

Plenty of us eat three times a day and still end up on the low-fiber side of the research. Here’s how a typical busy day compares:

  A low-fiber day A fiber-rich day
Breakfast Coffee on the way out the door Coffee plus something with fiber
Lunch White-bread sandwich, chips Beans, vegetables or whole grains
Dinner Takeout or a quick pasta Half the plate vegetables
Result Full, but short on fiber Fiber at every meal
3. The problem

Coffee Has Zero Fiber. For a Lot of Us, That’s the Whole Breakfast.

And it doesn’t get much better as the day goes on. Not because we don’t care, but because fiber-rich meals take time and effort we rarely have.

“There’s no time.” Breakfast is coffee, lunch is eaten at a desk, and dinner is whatever’s fastest.
“I’m just not hungry.” Some meals get skipped altogether, and the fiber goes with them.
“Fiber means cooking.” Vegetables, beans and whole grains all take prep. Takeout doesn’t.

The good news? You don’t have to overhaul every meal. You just need an easy way to add fiber to the ones you already eat.

Glass of Arigoy with milk next to a laptop
4. What I recommend

Add fiber to any meal in 30 seconds

Arigoy is a plant-based, all-in-one nutrition drink you stir into milk or coffee. Have it with breakfast, as a quick lunch, or whenever the day gets away from you. Two scoops gives you:

  • Fiber and probiotics, so your meal isn’t fiber-free
  • 15g of plant protein
  • 22 vitamins and minerals
  • 110 calories, light enough for any time of day
  • About 30 seconds, no blender, no cooking

Three ways to have it, morning to night:

Arigoy stirred into a latte or iced coffee
1. Morning: stir it into coffee
A hazelnut-chocolate mocha with fiber and protein. Works best in a latte or iced coffee.
Glass of Arigoy with milk at a desk
2. Midday: shake it with milk
A quick lunch when there’s no time to sit down, or an afternoon pick-me-up.
Warm mug of Arigoy on a couch armrest in the evening
3. Evening: warm it like cocoa
Like a hazelnut hot chocolate, for nights when dinner was light or late.
A typical rushed meal With Arigoy
Little or no fiber Fiber + probiotics
Few vitamins or minerals 22 vitamins & minerals
Protein varies 15g plant protein
Often skipped when you’re busy Ready in about 30 seconds

Tip: Arigoy adds fiber to the meals you already eat. To get even more, add berries, oats, beans or vegetables where you can.

Where to find it

Arigoy is sold online. A bag of the hazelnut chocolate flavor is $29.99 for 15 servings, about $2 a glass. Whatever you use, the goal is the same: get some fiber into the meals that usually have none.

Read the full ingredient list and nutrition facts on Arigoy’s site.

Reader questions

When should I have it?
Any time. With breakfast, as a quick lunch, as an afternoon snack or in the evening. On busy days, a glass with milk can stand in for a meal you’d otherwise skip.
Can I really put it in coffee?
Yes. It works best in a latte, warm milk coffee or iced coffee. Very hot black coffee can make plant protein clump.
Will Arigoy help me live longer?
No product can promise that. The research links getting more fiber to lower risk of death. Arigoy is simply an easy way to add fiber to the meals you already eat.
Does it cover all my fiber for the day?
No. It adds some fiber to meals that usually have little. For more, pair it with oats, berries, beans or vegetables through the day.
Sources
  1. Reynolds A et al. Carbohydrate quality and human health: a series of systematic reviews and meta-analyses. The Lancet, 2019.
  2. King DE, Xiang J. A Relationship Between Mortality and Eating Breakfast and Fiber. Journal of the American Board of Family Medicine, 2021.

Arigoy products are designed to support your everyday wellness and are not intended to diagnose, treat, cure, or prevent any disease. Results may vary from person to person. Please use as directed.