Douglas Laboratories

Douglas Laboratories Supplements NZ

At NZSI, we proudly stock Douglas Laboratories supplements in New Zealand, a trusted name in professional-grade nutrition for more than 60 years. Douglas Laboratories is known for its rigorous scientific research, pharmaceutical-grade manufacturing, and commitment to creating supplements that truly support long-term health and wellbeing.

Each Douglas Labs product is formulated using high-quality, evidence-based ingredients designed to optimise health at every stage of life. Their range includes advanced formulas for immune support, energy, cognition, cardiovascular health, hormonal balance, and overall vitality. Every batch is tested for purity, potency, and consistency — ensuring the highest standard of practitioner-grade nutrition.

At NZSI, we aim to provide New Zealanders with access to world-leading health brands like Douglas Laboratories, trusted by healthcare professionals worldwide. Whether you’re looking to maintain wellness or address specific nutritional needs, Douglas Labs offers science-driven supplements you can rely on for quality and results