Frequently Asked Questions
Find answers to common questions about our products, Transfer Factor, ordering, and more.
What are 4Life supplements?
4Life supplements are science-based nutritional products made by 4Life Research. The lineup includes Transfer Factor formulas for immune support, plus supplements for digestive health, energy, heart health, brain function, joints, eye health, and general wellness. Products are manufactured in NSF cGMP certified facilities and tested for quality.
What is Transfer Factor?
Transfer Factor refers to messenger molecules that help transfer immune knowledge from one organism to another. First identified in 1949, they are extracted from bovine colostrum and chicken egg yolk. 4Life uses them in supplements like Transfer Factor Classic, Tri-Factor, and Plus to support immune cell function—helping cells recognize, respond to, and remember health challenges.
How can I get a discount on 4Life products?
Visit our Discount page for current offers. We offer savings for customers in the USA. Contact us at info@4lifesupplements.com to learn how to get a discount.
Do you ship to the USA?
Yes. We serve customers throughout the USA. Shipping options and delivery times depend on your location. For shipping questions, reach out through our Contact page.
Are 4Life supplements gluten-free and vegetarian?
Many of our products are gluten-free and use vegetarian (veggie) capsules. Check each product page for details—each lists its format (veggie capsules, softgels, liquid) and allergen information. Some formulas contain milk or egg derivatives.
Where are 4Life products manufactured?
Our products are manufactured in the USA in NSF cGMP certified facilities. The company uses quality ingredients from around the world and tests each formula for safety and efficacy. Learn more on our About Us page.
Can I take multiple 4Life supplements together?
Many customers take several of our supplements for different health goals. Follow the directions on each product label. For liquid products like Gold Factor, wait 15 minutes before and after each dose before consuming food or other supplements. When in doubt, consult your healthcare provider.
What product categories does 4Life offer?
We offer supplements across multiple categories: Immune Support, Digestive Health, General Wellness, and Energy and Weight Management. Browse our product catalog to find what you're looking for.
How do I contact you?
Email us at info@4lifesupplements.com or use our Contact page. We're an independent distributor serving customers across the USA.