1. What makes OSEI supplements different from other brands?
At OSEI, we prioritize quality, purity, and effectiveness. Our supplements use premium, natural ingredients, and are free from artificial additives, preservatives, and fillers. Each product is third-party tested to ensure potency and safety. 

2. Are your supplements suitable for vegans or vegetarians?
Some of our supplements are suitable for vegans and vegetarians. We advise checking individual product descriptions to confirm whether a formula is fully vegan. 

3. How do I take your supplements?
Detailed dosage instructions are listed on each product label. 

4. Are your products safe for children?
Our products are formulated for adult use. If you’re considering giving a supplement to a child, we recommend consulting with a healthcare provider to ensure its safety and suitability. 

5. Are there any side effects to your supplements?
Generally, our supplements are made from natural ingredients and are well tolerated. However, individuals might experience mild side effects depending on health conditions or allergies. If adverse effects occur, we advise discontinuing use and consulting a healthcare professional.

6. How are your products tested for quality?
Each batch undergoes rigorous third-party testing to confirm potency, purity, and safety.

7. Can I return a product if I’m not satisfied?
Yes, we offer a satisfaction guarantee. If you’re not happy with a purchase, you can review their Returns and Refund Policy to request a refund or exchange. 

8. How long does shipping take?
We aim to process and ship all orders within 1–2 business days. For U.S. deliveries, shipping typically takes 3–7 business days.