Science & Research
The science behind Slim By Nature
Evidence-based formulas developed by qualified practitioners in Australia, blending naturopathy, nutritional science, and holistic health.
Meet our founder
Zhanna Gee
Founder & CEO
Zhanna founded Slim By Nature in 2012 after her own transformative health journey. What started as a personal quest became a mission to help other women feel confident, energised, and in control of their health.
Over the past decade, Zhanna has partnered with leading Australian naturopaths and nutritionists to develop SBN's science-backed formulas. Her programs have now helped over 50,000 women across Australia and beyond.
A multi-award-winning entrepreneur, Zhanna brings a rare combination of personal experience, business acumen, and genuine passion for women's wellness to everything SBN does.
Our approach
How we develop our programs
Naturopathy
Our programs are rooted in naturopathic principles. We support the body's natural ability to heal, detoxify, and restore balance. We work with the body, not against it.
Nutritional science
Every formula is developed using evidence-based nutritional science. We select ingredients with demonstrated clinical efficacy for metabolism, gut health, and hormonal balance.
Holistic formulation
We combine traditional herbal medicine with modern research to create programs that address the whole person: body, gut, hormones, and mind.
Ingredients
Our hero ingredients
Each ingredient is selected for its proven effects, backed by published clinical research.
Morosil® (Moro Blood Orange Extract)
Fat reduction & metabolismA patented extract from Sicilian blood oranges, clinically shown to reduce body fat, waist circumference, and BMI. The key active ingredient in Formula Z+.
Berberine
Blood sugar & metabolic supportA plant compound found in several herbs. Research shows it helps regulate blood sugar, supports metabolic function, and promotes healthy weight management.
L-Carnitine
Fat metabolism & energyAn amino acid that transports fatty acids into your cells' mitochondria, where they're converted into energy. Supports fat metabolism and exercise recovery.
L-Arginine
Circulation & detox supportAn amino acid that supports blood flow, immune function, and the body's natural detoxification processes. Important for circulation and nutrient delivery.
Slippery Elm
Gut health & digestionA traditional herbal remedy used for centuries to soothe the digestive tract. Rich in mucilage, it coats and calms the gut lining, supporting digestive comfort.
Chromium Picolinate
Appetite regulation & blood sugarAn essential trace mineral that enhances insulin sensitivity and helps regulate appetite. Research supports its role in reducing cravings and supporting healthy blood sugar.
Quality
Quality you can trust
Australian made & owned
All SBN products are proudly formulated and manufactured in Australia.
GMP manufacturing
Our supplements are manufactured in GMP-certified facilities, meeting the highest standards of quality and safety.
Natural ingredients
We prioritise natural, plant-based, and organic ingredients wherever possible. No unnecessary fillers, artificial colours, or synthetic additives.
Practitioner formulated
Every product is developed in collaboration with qualified Australian naturopaths and nutritionists.
TGA listed
Formula Z+ is listed on the Australian Register of Therapeutic Goods (ARTG), meeting Australia's strict safety and quality standards for therapeutic products.
Our team
Developed with experts
Slim By Nature's programs and formulas are developed in collaboration with a network of qualified Australian naturopaths, nutritionists, and holistic health professionals. This ensures every product meets the highest standards of efficacy and safety, and that our customers receive guidance grounded in real clinical knowledge.
Find your program
Not sure where to start? Our free quiz matches you with the right program for your body and goals.