Top 5 Herbal Extracts for Stress & Sleep Support in New Zealand
😴 Feeling stressed or struggling to sleep well?
Many New Zealanders are turning to natural supplements to support relaxation and emotional balance. At SG Bio, we supply high-purity herbal extracts trusted by local manufacturers in the nutraceutical and functional food industry.
Here are five science-backed herbal ingredients to help your customers manage stress and sleep naturally:
🌿 1. Griffonia Seed Extract (5-HTP)
Griffonia simplicifolia is a natural source of 5-hydroxytryptophan (5-HTP), which supports serotonin production and helps maintain a positive mood and healthy sleep cycle.
👉 Explore Griffonia Seed Extract
🌿 2. Ashwagandha Extract
Known as an adaptogen, Ashwagandha (Withania somnifera) helps the body manage stress and improves sleep quality without causing drowsiness. It’s a top ingredient in modern stress relief supplements.
🌿 3. Rhodiola Rosea Extract
Rhodiola balances energy levels and reduces fatigue caused by mental stress. It is ideal for formulas that aim to enhance focus and resilience.
🌿 4. Chamomile Extract
A classic herbal remedy for relaxation, Chamomile is rich in apigenin — a compound that promotes calm and supports better sleep onset.
🌿 5. Magnolia Bark Extract
Magnolia officinalis contains honokiol and magnolol, compounds shown to support the GABA system and reduce anxiety. It’s a powerful addition to sleep and mood formulations.
✅ Why choose SG Bio for your herbal extracts?
NZ-based stock for faster delivery and shorter lead times
Consistent quality with full traceability and COA support
Technical documentation ready for R&D and compliance
If you are developing a new formulation or product for stress relief and sleep support, contact SG Bio to learn how we can help.


