Creatine Monohydrate + TruMarine® Collagen
You’re stronger than you think you are. Support your body with clean, clinically backed ingredients, every single day.

Our Vision
At withinUs®, we are not just creating products, we are reshaping how wellness is experienced. We believe in creating purposeful, science-backed products that meet the evolving needs of our community. For over a year, our team has been deeply immersed in research, testing, and formulating to create Creatine Monohydrate + TruMarine® Collagen. As a B Corp Certified company, we are proud to be the first to bring this unique combination to market, offering something truly extraordinary.

Support your body with clean, clinically-backed ingredients.
Strength, Clarity, and Confidence, at Every Stage
As life changes, regaining strength, clarity and energy is essential. Hormonal shifts can affect energy. A daily creatine routine helps keep energy steadier across your cycle. After menopause, creatine paired with resistance training helps build and preserve lean muscle, supporting strength.
This clinically backed formula* not only supports building and strengthening muscles, mental clarity and joint health but also helps boost energy levels making it easier to feel like yourself again.
Science Backed Support
Science-backed support to help you feel like yourself again.
We created this formula with one goal in mind: to help you feel strong, energized, and clear every single day. As we connected with our customers and explored the latest nutritional research, one ingredient consistently stood out: Creatine.
Often associated with fitness and muscle building, creatine has quietly become one of the most widely studied and trusted ingredients* for supporting energy production, cognitive health, and physical resilience, benefits that extend far beyond the gym.


Science Backed Support
What does creatine do?
Creatine helps your cells recycle ATP, the fuel your cells rely on. More available energy supports muscle performance, daily vitality, and cognitive function. Although it's naturally present in red meat and fish, but many diets don't supply enough. Steady daily intake of 3 to 5 grams helps restore levels. Women often have about 70 % of the creatine stores found in men, supplementing helps close that gap and supports energy across a busy day.
Not all creatine is created equal
Why Creavitalis® matters
Most creatine monohydrate on the market is mass-produced with limited supply chain transparency. That’s why we chose Creavitalis®, a premium, micronized creatine sourced from Germany and backed by quality controls and clinical studies. Creavitalis® meets rigorous European manufacturing standards for purity, solubility, and consistency, aligned with the quality promise you expect from withinUs®:
- Made in Germany by AlzChem Group with full traceability and batch testing
- High‑purity, micronized particles for smooth mixing and improved absorption
- Neutral taste and mouthfeel; no grit or chalkiness
- Third‑party tested, high purity, non‑GMO


Benefits at every stage of life
Formulated for You. Backed by Science*
- Mental Clarity: Helps support focus, memory, and cognitive function
- Cellular Energy: Supports ATP production, fueling energy from your brain to your muscles.
- Joint comfort: Supports the tissues that move you.
- Increase skin hydration & elasticity
- Minimize: Fine lines & deep wrinkles
- Muscle Strength & Recovery: Helps preserve and build lean muscle mass to maintain strength and resilience.
Exclusive VIP Blog

Latest Article
3 min read
Meet Creatine Monohydrate + TruMarine® Collagen: Your New Daily Essential
As life evolves, so does your body’s needs
Frequently Asked Questions
What are the benefits of supplementing with creatine?
What are the benefits of supplementing with creatine?
What is Creavitalis®?
What is Creavitalis®?
Do I need to be exercising to take this?
Do I need to be exercising to take this?
Will this product make me gain weight?
Will this product make me gain weight?
Is it safe long-term?
Is it safe long-term?
How do I prepare it?
How do I prepare it?
How much creatine is in each serving?
How much creatine is in each serving?
How much TruMarine® Collagen is in the new Creatine Monohydrate + TruMarine® Collagen?
How much TruMarine® Collagen is in the new Creatine Monohydrate + TruMarine® Collagen?
Does Creatine Monohydrate + TruMarine® Collagen replace the TruMarine® Collagen I am taking daily?
Does Creatine Monohydrate + TruMarine® Collagen replace the TruMarine® Collagen I am taking daily?
Didn’t find your answer here? Read more