The fiber trend explained — how much you actually need, the best sources, and how to ramp up without wrecking your gut.
Protein got a decade of attention and fiber got none — meanwhile most people eat roughly half the fiber they should. 'Fibermaxxing' is just the internet catching up to boring nutrition advice: eat a lot more plants. I've been doing it for years, and it's the change with the most obvious day-to-day payoff — appetite, digestion, and steadier energy.
Soluble fiber (oats, beans, psyllium, chia) forms a gel, slows digestion and blunts blood sugar swings. Insoluble fiber (whole grains, vegetable skins, nuts) adds bulk and keeps things moving. You want both, which happens automatically if you eat a variety of whole plants.
Going from low fiber to high overnight causes bloating and gas — this is the single reason most people quit. Add roughly 5g per day per week and increase water alongside it. Your gut bacteria adapt within a couple weeks.
Beans and lentils lead by a wide margin, then chia and flax, then berries, avocado, oats, and vegetables with skins on. A quality fiber or greens blend like Dolce Superfoods makes the target easier on days when volume is a problem — especially useful if appetite is suppressed for any reason.
Fiber's practical superpower is fullness per calorie. It's why high-fiber eaters tend to self-regulate intake without counting anything.
General guidance is roughly 25g for women and 38g for men; most people get about half.
You increased too fast. Add about 5g per day per week and raise water alongside it.
Coaching that accounts for your appetite, schedule and training age.
Apply for CoachingOne email a week: what actually works in training and nutrition, minus the hype. No spam, unsubscribe anytime.