Have you heard about the latest Jell-O trick for losing weight?
You may have seen it floating around the interwebs from Dr. Oz, Oprah Winfrey, or even Jillian Michaels.
Sadly, these are likely fake AI bots trying to sell you supplements — you really have to be extra careful these days.
But what’s interesting in the middle of all of this is: there is actual research that showed some interesting results when eating Jell-O for weight loss.
I’m diving into that study in this article, along with some other helpful tips to help you curb cravings so you can lose weight in a sustainable way.
Let’s jump in!
What the “Jell-O trick” actually does (and doesn’t do)
If you’ve seen the viral “eat gelatin before meals” trick, the idea is simple: drink gelatin mixed with water and you’ll feel full faster — so you eat less.
And technically… that part isn’t wrong.
According to a dietitian-reviewed article from Hackensack Meridian Health, gelatin can:
- Expand in your stomach
- Create a feeling of fullness (satiety)
- Potentially help you eat smaller portions
In other words: it may reduce your appetite temporarily.
But here’s where the internet takes it too far…
Gelatin does not:
Any weight loss you’d see would come from eating fewer calories — not from the gelatin itself.
This same thing happened when a nutrition professor lost 27 pounds in 10 weeks eating snack cakes and processed foods like Doritos, chips, cereal, etc. — all the stuff we’re told to avoid.
By reducing his calories, he lowered his BMI (or body mass index) and also improved his cholesterol, according to the article in Psychology Today.
Does that mean we should eat whatever we want as long as we’re in a calorie deficit? Not exactly… but you probably figured that part out.
Getting back to the gelatin…
What the research really showed
There is some research on gelatin and satiety — but it’s often misunderstood.
One study published in PubMed looked at gelatin protein compared to other proteins and found:
- Gelatin may influence fullness and appetite in the short term
- But it did not lead to better long-term weight maintenance compared to other protein sources
While this hack might help in the moment, it doesn’t actually solve the bigger problem, especially when it comes to keeping weight off long-term.
Why this “works” (but also… doesn’t)
The Jell-O trick works for the same reason a lot of diet hacks work:
- It helps you eat less for a moment
- It creates the illusion of control
- It simplifies a much bigger problem (hunger, habits, blood sugar, etc.)
But it falls apart because:
- It’s not nutritionally complete
- It doesn’t keep you full for long
- It doesn’t build sustainable eating habits
And if you rely on it too much, it can even:
- Disrupt natural hunger cues
- Lead to nutrient gaps
- Cause digestive issues in some people
The smarter takeaway
It’s not the gelatin that you should turn to — it’s the satiety strategy.
If the goal is:
- Fewer cravings
- Less overeating
- Better appetite control
Then there are better ways to get the same (or better) effect through:
- Fiber (chia seeds and psyllium husk are INCREDIBLE for this)
- Protein + fiber combos (especially eating fiber before your protein)
- Eating something filling before a meal or treat
You don’t need Jell-O. You need something that actually keeps you full on a random Tuesday night.
What I’d do instead as a NASM Nutrition Coach
There are a few “hacks” that work better than the Jell-O trick:
1. Start with fiber (veggies or salad first)
Before you even get to your main meal, try starting with something simple like:
- A small salad with vinegar-based dressing
- Raw veggies
- Even just a few bites of fiber-rich foods
This helps:
- Take the edge off your hunger
- Slow digestion
- Reduce how much you eat without feeling restricted
It’s simple — but incredibly effective.
2. Have a protein + fiber “buffer” before treats
Whether you’re going out to dinner or know you want something sweet later, don’t go in starving.
One of my go-to strategies:
Eat some yogurt + chia seeds before a meal or dessert.
This powerful combo helps:
- Stabilize blood sugar
- Keep you fuller longer
- Prevent that “I can’t stop eating” feeling
3. Use fiber “gel” foods
If you like the idea of the Jell-O trick, this is a much better version:
- Add 2 tablespoons of psyllium husk to ~2.5–3 oz juice (cranberry, cherry, etc.)
- Let it sit for 5–10 minutes → it thickens into a jelly
You can:
- Add it to yogurt
- Spread it on toast
- Or eat it on its own
You’ll get 8–12g of fiber, which does far more for appetite control than plain gelatin.
Another option I love: Heat frozen berries + add 1–2 tbsp chia seeds, and you’ll get another quick and delicious homemade jam
These options aren’t as low-calorie as Jell-O — and that’s actually the point.
Because they’re packed with fiber (and often paired with protein), they:
- Keep you full longer
- Help manage cravings
- Support your body instead of just tricking it
The goal isn’t to find a loophole to eat less.
It’s to make hunger easier to manage so weight loss actually sticks.
Because when you’re constantly fighting cravings and white-knuckling your way through the day, it’s only a matter of time before things unravel.
But when you build meals and small habits that actually keep you full?
Everything gets easier.
And if your goal is to lose 10 pounds, this is the kind of approach that actually gets you there — and helps you stay there.
Over to you: Have you tried any of these ‘food hacks’ before — and did they help?
To making cravings easier to manage (and weight loss actually stick),
Devan
P.S. This question came from a dear reader in my newsletter 😊— thank you for the great question! If you’re not on the list yet, you can join by filling out the form below — I read and respond to every reply, and your question might get featured in a future article like this one.
