Our Company - Changing Lives Physically and Financially since 1989

A Legacy of
Health & Wellness

Trimsulin

Since 1989, FirstFitness Nutrition has been a trusted leader in health and wellness, delivering science-backed, doctor-recommended nutritional and skincare products.

We empower individuals to improve their health, manage their weight, and achieve lasting wellness through plant-based, natural solutions—all within our social selling and relationship-driven business model.

Whether you are pursuing better health or a rewarding business opportunity, we provide the products, support, and community to help you live your best life.

Our Products

A Holistic Approach to Wellness

We offer a complete range of exclusive, plant-based, and natural wellness solutions to support every aspect of a healthy lifestyle, helping you look and feel your best every day.

Cleanse

Supports gut health, detoxification, and digestion

Weight
Management

GLP-1 weight loss solutions for appetite control and fat burning

Wellness

Daily nutrition for immune support, vitality, and longevity

Energy
+ Fitness

Clean, powerful performance nutrition for active lifestyles.

Skin Care

Advanced formulas that promote radiant, healthy skin

Our Founders

Lee Causey


Co-Founder

Nigel Branson


President & Co-Founder

FirstFitness Nutrition was co-founded by the late Lee Causey, who created the world’s first diet shake in the 1970s and introduced the first inner-body and colon cleanse, Reneú, in 1989 when the company launched.

Today, under Co-Founder Nigel Branson’s leadership, FirstFitness Nutrition stays at the forefront of wellness. His vision and passion for innovation, drive growth and success, continuing the legacy of empowering people to build a lasting business for future generations.

Scientific & Medical Advisory Board

Dedicated to Quality, Effectiveness, & Safety

Our Scientific and Medical Advisory Board consists of respected scientists, doctors, and healthcare professionals who use, endorse, and recommend our products while educating our Customers and Team Members in holistic health, nutrition, and wellness.

Richard Kaufman, Ph.D.


Scientist

Byron "Pete" Coon, Ph.D.


Forensic Pathologist

Peggy Richardson, M.D.


Internal Medicine

Phillip Smith, M.D.


Chiropractor

Herman Glass, D.C.


Chiropractor

Reneé Brooks, N.D.


Naturopath

Mitchell Irwin, M.D.


Pediatrician

B. Freeman Irby, M.D.


OB-GYN

Our Core Values

Faith, Family, and Freedom guide our actions, decisions, and relationships, helping individuals thrive in health, life, and business.

Faith

We recognize God as the source of all blessings and live by His principles.

Family

We believe honoring family creates balance and harmony in life and business.

Freedom

Live your best life by embracing wellness and achieving financial independence.

Giving Back

Making a Difference...

Watch Video - Children's Hunger Fund

We encourage our employees and Team Members to give back by donating their time and serving others. Through our partnership with the Children’s Hunger Fund, we help deliver aid and hope to children facing hunger.

Additionally, our team actively supports community-focused volunteer efforts, creating a meaningful impact locally and globally.

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