Potenciador de flexibilidad
11g of Fortigel® collagen peptides with glucosamine and chondroitin at their studied doses, for the connective tissue underneath the joint. This one works on a months-long timeline, not a weekly one.
- 11g Fortigel® collagen peptides per scoop — a studied peptide profile, not generic collagen
- 1,500mg glucosamine and 1,200mg chondroitin — the doses from the trials
- One scoop in 12–16 oz of water. Mixed berry, 30 servings, 10g protein.
- Contains shellfish. Bovine collagen, so not vegetarian.
- 30-day money-back
- Free shipping
- Third-party tested
- GMP facility, made in USA
Suggested use
Warnings & allergens
Este producto se elabora en una instalación que también procesa leche, huevos, pescado, mariscos, frutos secos, maní, soja, trigo y puede contener trazas de todos los ingredientes.
La Administración de Alimentos y Medicamentos no ha evaluado estas afirmaciones. Este producto no está destinado a diagnosticar, tratar, curar ni prevenir ninguna enfermedad.
Who it's for
This one is about the structure underneath.
Warming up takes longer than it used to
The first ten minutes of every session are now a negotiation rather than a formality.
Tight the next morning
Not sore exactly. Just stiff, in a way that takes a while to loosen off.
Depth you used to have
Squats and lunges don't go where they used to, and it isn't strength that's stopping you.
Playing the long game
Nothing hurts badly yet. You'd like to keep it that way for the next decade.
Inside Flexibility Booster
Three ingredients, at the amounts the research actually used.
Different job from Joint Jumper and a different timeline. Glucosamine at 1,500mg and chondroitin at 1,200mg are the doses from the major trials, not a fraction of them.
Per 1 scoop (15.9g) · 30 servings · Mixed berry
- 11g
Fortigel® Collagen Peptides
Gelatin hydrolysate, bovine
A specific bioactive collagen peptide made by GELITA, studied for supporting cartilage tissue and joint comfort. The peptide profile is the point — generic collagen powder rarely tells you what it is using.
- 1,500mg
D-Glucosamine HCl
The dose used in the research
1,500mg a day is the amount used in the large glucosamine trials. Not a rounded-down version of it — the actual number.
- 1,200mg
Chondroitin Sulfate
The dose used in the research
1,200mg, again matching the studied amount. Paired with glucosamine because the two have been researched together more often than separately.
Contains shellfish (glucosamine HCl). Fortigel® is bovine-sourced gelatin hydrolysate, so this product is not vegetarian or vegan. Other ingredients: citric acid, natural flavors, silicon dioxide, stevia. Fortigel® is a trademark of GELITA AG.
Ask a pharmacist's assistant
Questions about the ingredients? Ask.
An ingredient education tool trained on what's in the tub and the research behind it. It won't give you medical advice, and it will tell you when to ask a real one.
Realistic expectations
This one is slower than Joint Jumper. Deliberately.
Connective tissue turns over slowly. Anyone promising you a difference in a fortnight is selling you a different kind of product.
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Month 1
Build the habit
One scoop daily in water. You will almost certainly notice nothing this month, and that is exactly what should happen.
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Month 2
Small changes in how you move
This is where people tend to mention warm-ups taking less time, and feeling less tight the morning after.
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Month 3
The honest checkpoint
Three months of consistent daily use is the point at which it's fair to judge whether this is doing anything for you.
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Ongoing
It's a long game
Connective tissue support isn't a course you finish. It works while you take it, which is why most people move to a subscription.
Most people take both
They do different jobs.
Flexibility Booster works on the structure over months. Joint Jumper works on daily comfort and recovery. Neither replaces the other.
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Daily comfort & recovery 5.0
Puente articulado
The other half of the system. Works on how your joints feel this week rather than the tissue underneath.
- 1,500mg Curcuma Longa (95% curcuminoids)
- 300mg Boswellia Serrata (65% boswellic acid)
- 60mg BioPerine® for absorption
From people who train
What changed for them.
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I didn't realise how stiff I was until I wasn't
After adding the Flexibility Booster, my joints just feel smoother. I warm up faster, move better during squats and lunges, and I'm not as tight the next morning. It's subtle but powerful — I just feel more mobile and less creaky. It's now a non-negotiable in my routine.
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My favorite
I'd say it's also a mood booster when you look forward to taking it every day :)
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Good quality
So far so good. Very nice packaging and good quality products.
Straight answers
Questions people actually ask.
How is this different from the collagen I can buy anywhere?
Generic collagen powder usually doesn't tell you which peptide profile it uses. Fortigel® is a specific bioactive collagen peptide made by GELITA and studied for supporting cartilage tissue. Adding glucosamine and chondroitin alongside it is what makes this a joint formula rather than a skin-and-nails one.
How long until I notice anything?
Longer than you'd like. Connective tissue turns over slowly, so give it three months of consistent daily use before you decide. If you want something that works on a shorter timeline, that's Joint Jumper's job.
Should I take this or Joint Jumper?
If it's day-to-day soreness and recovery after training, start with Joint Jumper. If it's stiffness, warm-up time and protecting the joint over years, start here. Plenty of people take both, because they're doing genuinely different jobs.
How do I take it?
One scoop in 12–16 fl oz of water, once a day. It's mixed berry, and there are 30 servings per tub. Plenty of people put it in a shake instead.
Can I take it with medication?
For most healthy adults it's straightforward, but I'd rather you check. Talk to your doctor or pharmacist before starting if you take prescription medication, are pregnant or nursing, or have a preexisting condition. It's for adults 18 and over.
What if it doesn't work for me?
30-day money-back guarantee. Given the timeline on this one, if you're partway through and unsure, email me before the window closes and we'll sort it out.
Are there any allergens?
Yes — it contains shellfish, because the glucosamine is glucosamine HCl. The collagen is Fortigel®, a bovine-sourced gelatin hydrolysate, so it is not vegetarian or vegan. It is produced in a facility that also handles milk, eggs, fish, shellfish, tree nuts, peanuts, soy and wheat.
Still not sure which one you need?
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