MG Phoenix

Nutrition & Performance

We help you rise stronger, in sport, in health, and in life.
We provide personalised, evidence-based nutrition support for individuals, athletes, and teams who want to fuel performance, optimise recovery, and create lasting, sustainable change.

About Us

The Faces behind MG Phoenix

At MG Phoenix Nutrition & Performance, we combine science, experience, and passion to help every client reach their full potential. Based in London, we work with athletes, teams, and performers across the UK who want nutrition support they can trust and actually use.

Marita Sohkin - MSc, BSc

Performance Nutritionist | SENr Registered | AfN Registered

Marita specialises in translating the latest nutrition science into practical, personalised strategies. Registered with both the Sport and Exercise Nutrition Register (SENr) and the Association for Nutrition (AfN), the UK’s leading professional standards bodies for nutrition practitioners she brings both rigour and real-world experience to every client. Working with elite athletes to everyday exercisers, she focuses on improving performance, health, and long-term wellbeing. Her background includes conducting detailed fitness assessments, dietary analysis, and designing fuelling strategies for sports clubs such as Essex Womens Rugby and Football Club.

Gareth Bowen - MSc, BSc

Performance Nutritionist | SENr Registered | AfN Registered | CISSN | ISAK Level 1 

Based in London, Gareth brings over 30 years of industry experience and a lifelong passion for sport and performance nutrition. Holding the Certified Sports Nutritionist (CISSN) credential from the International Society of Sports Nutrition (ISSN) alongside SENr and AfN registration, he offers a rare combination of scientific grounding and practical, no-nonsense support from beginners to master level athletes. His UK Strength and Conditioning Association (UKSCA) Foundation training adds a valuable understanding of the physical demands athletes face, allowing him to align nutrition strategies more precisely with training load and performance goals. 

Together, Marita and Gareth share a mission to make nutrition accessible, effective, and sustainable, helping people build confidence, strength, and resilience through smarter fuelling.

Services

What we offer

We offer tailored nutrition and performance services for:

Athletes & Teams

Comprehensive support including dietary analysis, meal planning, hydration strategies, and event fuelling (pre-, during-, and post-competition).

Corporate & Workplace Health

Nutrition workshops and wellness programmes to enhance energy, focus, and overall employee wellbeing.

Individual Coaching

Nutrition and lifestyle assessment with tailored recommendations aligned with your goals.

Performance Assessments

Fitness testing, body composition assessment & nutrition tracking, and evidence-based recommendations to optimise results.

Our approach is grounded in science but built for real life — practical, personal, and empowering.

Contact

Let’s talk about your goals.

We’d love to hear from you. We’re based in London, UK, but also offer online consultation services.

Send us a message.