| Business | Phone |
| Allergy Research Group 30806 Santana St, Hayward 94544 | (510) 487-8526 |
| Nutri-Cology Inc 30806 Santana St, Hayward 94544 | (510) 476-6400 |
| Gnld-Golden Neo-Life Hayward 94541 | (510) 278-6283 |
| Vitamin World 297 Southland Mall # 4920, Hayward 94545 | (510) 781-0462 |