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Two women congratulate each other after a walk on a trail

Who We Are

We combine the power of a healthy diet, exercise, and ongoing health and nutrition coaching to manage obesity and chronic weight gain. In addition, we offer various options, including nutritional counseling, lifestyle change coaching, appetite suppressant prescribing, vitamin injections, Biometric Scale Composition Analysis, and customized individual plans. Whether you prefer in-office or virtual appointments, we provide the support you need to embark on your journey towards a healthier, happier you.

Our emphasis is on healthy lifestyle changes, and we are here to guide you every step of the way. 

Our specially trained providers employ evidence-based practices to detect and treat obesity. What sets us apart is our holistic approach to weight loss, focusing on treating the whole person throughout their journey. We take pride in delivering compassionate care, ensuring excellence in every patient experience. 

Our mission is to design a personalized plan that will not only help you reach your weight loss goal but also empower you to "Unlock Your Best Self" and lead a healthier life.

At Optimal Weight Loss, we are dedicated to your well-being and committed to helping you achieve your weight loss goals.

Our Founder

Headshot of the founder of Optimal Weight Loss, Tamica D'Aguiar

Tamica D'Aguiar is the Founder and Organizer of Optimal Weight Loss Clinic, LLC. 

She graduated with honors from Wilmington University’s Adult Nurse Practitioner Program and has over 25 years of healthcare experience. Of those 25 years, she gained 18 years of acute care hospital experience from The University of Pennsylvania Health System. Her specialties include Med-Surg Cardiology, Critical Care, Post Anesthesia Care, and over two years of Mental Health experience at Meadowood Hospital in New Castle, Delaware.

 

More recently, she served as Pennsylvania Hospital’s first Interventional Radiology (IR) Nurse Practitioner. Tamica managed the IR Clinic, consulted outpatients, conducted pre and post-operative procedure workups, hospital in-patient follow-ups, and conducted bedside procedures.

Tamica found her passion in weight loss.

She currently enjoys helping patients reach their weight loss goals!  She continues to dedicate her practice to healthy lifestyles, nutrition, exercise, and prescribing FDA-approved medications.

 

She is ANCC Certified and an active member of The Sigma Theta Tau International Honor Society, The Delaware Coalition of Nurse Practitioners, and The Obesity Medicine Association.

 

In her spare time, she enjoys traveling, reading, and listening to podcasts. Her favorite pastime is spending time with her husband, children, family, and friends. Her Grandson Jeffrey has stolen her heart and continues to keep her active by moving and burning calories!  Nonetheless, she is an avid bike rider and enjoys daily Peloton riding with Tunde. 

Our Providers

In Partnership with Chanell Brooker-Knight and Mindful Meds Psychiatry & Wellness, LLC
Please visit:
www.mindfulmedsnp.com
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Tajiannah Johnson

Health Promotion Specialist

As a Health Promotion Specialist with a strong foundation in counseling and a deep passion for holistic wellness, I’m committed to empowering individuals to reach their health goals—physically, mentally, and emotionally. My specialized training in Okinawa, Japan, has shaped a unique, culturally-informed approach to wellness that blends Eastern and Western practices.

Using evidence-based strategies, I design personalized nutrition and fitness plans tailored to each person's needs and lifestyle. Beyond my clinical role, I also serve as a social media manager and brand ambassador, using my platform to build meaningful connections and boost patient engagement within the community.

Whether you're starting your wellness journey or looking to take it to the next level, my mission is to guide, motivate, and support you every step of the way.

Medical Weight Loss & Nutrition

with Optimal Weight Loss Clinic

Get started by scheduling your free assessment today!

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