Love my Collegen Max can’t go a morning without it
Most supplements cut corners. We didn't.
GMASTER USA is a full range of clinical strength formulas built to actually work, not just look good on a label. No fillers, no artificial flavours, no proprietary blends hiding weak doses.
Everything your body needs, in one place. Stack your routine, skip the guesswork and start seeing the difference.
Say goodbye to bloating and sluggish digestion with D3 Maxx. This powerful detox and probiotic formula supports gut health, flushes out toxins, and restores balance from within. With natural cleansers like senna leaf and psyllium husk, plus probiotics for a healthy gut, it helps you feel lighter, refreshed, and energized every day.
Our supplements contain only the essential, active ingredients your body needs, without unnecessary additives or bulk agents. This ensures maximum potency and purity in every dose.
All GMASTER USA supplements are proudly Halal-certified, with plant-based, vegan-friendly capsules made from clean, high-quality ingredients.
Our supplements are crafted with purity in mind—made only with natural ingredients and completely free of synthetic additives, ensuring the highest quality for your body.
NSF GMP/ANSI Certified means made with the highest standards of safety, quality, and purity. Every batch is independently tested to ensure it’s clean, consistent, and trustworthy.
Our supplements are expertly formulated to deliver the highest safe and effective levels of each ingredient, ensuring optimal potency for the best possible results.
Grab your essential GMASTER USA & SBKD favorites today and kick back knowing you can settle the bill later using Afterpay
Regardless of your location on the globe, GMASTER USA & SBKD products can be shipped worldwide, delivering them directly to your door
Got a question about our products? Just shoot us a message through our contact form or drop us an email
Overall rating: 4.9 / 5 from 720 reviews.
Love my Collegen Max can’t go a morning without it
Rana I. 5/5 Verified
Just love this product ! Nothing compares to it !
Shadia A. 5/5 Verified
I can't have my morning coffee with out my Collagen Maxx!
Nabiha R. 5/5
Amazing products that i continually use daily
Nahla A. 5/5 Verified
Can’t even count how many tubs of this collagen I’ve gone thru, the best of the best on the market. 🙌🏻
Tee E. 5/5
Love D3 maxx, really helped me with my bloating issues.
Amneh K. 5/5 Verified
Onto my 3rd! Adding shred has improved my daily intake… am less bloated and less tired my skin has cleared up too!
Shama A. 5/5 Verified
My new fav pre workout! Zero crash and grogginess feeling after training. 1 capsule is enough also
T Z. 5/5
First time taking g this so I really can’t say much about but definitely will when I finish the bottle
Honaida A. 5/5 Verified
This has to be one of the best GMASTER products I swear by it,I’ve tried many collagen powder but nothing g like this one,I can’t go a day buy it 🙌👌
Honaida A. 5/5 Verified
Cant go wrong with this love the way it makes my skin glow and make my hair and nails grow !
Shadia A. 5/5 Verified
Nothing like the collagen !keep coming back for it
Shadia A. 5/5 Verified
Love this so much. I have used it many times over the years but I want to stay consistent with it now as I've lost hair from losing weight
Penny K. 5/5 Verified
Wow! Glowmaxx is a game changer! After just one week, I started noticing positive changes, and the difference in my hair and skin has been amazing. I’ve even noticed lots of new hair growth around my eyebrows. This is honestly one of the best products I’ve ever taken, and it’s now a non-negotiable part of my daily routine. Highly recommend! Stock up! It’s worth every dollar!!
Mariam E. 5/5
Amazing 100000/10!
Jess J. 5/5
I’ve been using Collagen Maxx for a while now and I’m really loving it. My skin feels smoother, my hair seems healthier, and I just feel better overall. It’s easy to take every day and has definitely become one of my favourite supplements.
Dee A. 5/5
Best supps & skincare on the market 🙌🏻 my first bottle of shredmaxx and absolutely loving it, the perfect pre workout and keeps the body tight & toned.
Tee E. 5/5
Onto my 2nd one and I can really feel the difference.. this has made a huge difference to my daily intake.
Shama A. 5/5 Verified
Glowmax no iodine is wow wow , I had to stop the normal glow max because of my thyroid and I was losing all my hair until this finally came , its stopped falling out and shedding , my skin is glowing and now all the new baby hairs have grown out , simply amazing thank youuuuu
Joanne Z. 5/5
I love this product. I have been using it for over a year now and it really works. I have blonde hair with extensions and my hair was damaged and felt like I could never get it past my shoulders but now I am about to take my extensions out for good as my hair is now long enough without them! Thanks to g master 🩷 xx
Liv M. 5/5
Best of the best on the market !
Tee E. 5/5
Definately will be reordering it definately faded stubborn freckles giving more clear look to my skin :)
Leigh S. 5/5 Verified
Love Duze products they really are top of the range
Leigh S. 5/5 Verified
Absolutely love love love the collagen on my 4th pack and D3 max don’t get me started best thing I bought my B12 and vitamin D are perfect in my blood test for the first time in a long time so happy with that !!!
Raja K. 5/5 Verified
Ana in product so in love
Honaida A. 5/5 Verified
Can’t live without it, best collagen ever made and I have tried many!!
Zena K. 5/5
COLLAGEN MAXX is amazing I have it every morning in my tea
Susan B. 5/5 Verified
What an amazing product I can’t believe how fast this works I was shocked 😳 and the best part it’s all natural ingredients not some crap you buy over the counter love it
Honaida A. 5/5 Verified
I’ve been using these CLIMAXX capsules for a little while now and I’m actually really happy with the results. I’ve noticed an improvement in my energy and overall confidence, and my skin also feels more firm and plump. They’re easy to take and I haven’t had any negative side effects so far. Definitely worth trying if you’re looking to support your overall wellness
Naz S. 5/5
It’s an amazing product absolutely love it can’t have my coffee with out it since housing it I have had so much compliments telling me my skin looking great 🙌
Honaida A. 5/5 Verified
Every female needs this product ! So amazing
F E. 5/5
Being taking this for a few months now and wowww the results are amazing. Not only has my inner self improved but complexion has too.
Nahla A. 5/5 Verified
Nothing compares, best on the market !!
Fatima K. 5/5
CAUSE 1 WASN'T ENOUGH ! Great products I won’t ever change .
Amar E. 5/5 Verified
quick shipping and outstanding results I’m so glad I’m on these products I can’t recommend them enough.
Amar E. 5/5 Verified
Best collagen in the market on my third pack love it !!
Mariam K. 5/5
I’ve been using Glow Maxx for years now, and it’s honestly a staple in my routine. Recently, I switched from the original version to the Glow Maxx (No Added Iodine) because I occasionally experience an overactive thyroid & I’m so glad she created this option. I’ve been loving it just as much. My hair, skin, & nails thrive on this product. The difference in my overall glow & strength is noticeable & it’s something I genuinely can’t live without. Another bonus, if you’re taking GHK-Cu (copper peptide), Glow Maxx contains zinc, which is important because copper needs zinc for proper balance. So that’s such a thoughtful added benefit. Truly one of the best products on the market. I recommend it to everyone🤍
Yeasmine H. 5/5 Verified
This is helping my daughters skin clear so far.
Rola A. 5/5 Verified
I’ve been using Glowmaxx hair supplements and I’m not exaggerating when I say they’ve completely changed life lol. For context.. my hair had been stuck just past my ears since I was a kid. It literally would not grow past that point. I tried different shampoos, oils, treatments… nothing made a real difference. I low key just accepted that that was how short my hair would be forever. Then I found Glowmaxx Since using these supplements , my hair has not stopped growing. It’s longer than it has ever been in my life, it feels thicker, healthier, more shiny and I constantly get compliments on it. People are always asking what do I do and honestly? The only change was making them apart of my routine. If your hair feels stuck or refuses to grow past a certain point, I genuinely recommend giving Glowmaxx a try. It’s been a game changer for me, and I don’t hype things unless they actually work, thank god for this holy grail product. All GMASTER USA products are AMAZING, and are nice changing stop doing yourself a disservice and purchase them now!!
Ebony M. 5/5
Literally the best thing to fall asleep with , I take supplements that give me energy in the day and so I can train when it comes to night time I struggle sleeping so much but I take this , have the most amazing sleep and wake up so refreshed it’s actually amazing like no words can describe
Joann Z. 5/5