Life Extension L-Theanine capsules help you feel relaxed and a bit more focused, thanks to pure Suntheanine, and Life Extension's commitment to quality.

Available Sizes & Variants:

60 capsules – everyday calm support in a simple handy capsule form.

Benefits & Features:

• Promotes calmer focus throughout the day.
• The key active ingredient Suntheanine is the patented form that delivers calming effects with the pure L-theanine in each capsule, helping you manage stress while staying productive.
• Independently verified production confirms purity and excludes inferior isomers, ensuring you receive the pure L-theanine form.
• Designed for daily use with flexible dosing to suit daytime alertness or evening relaxation.
• Quality and trust come from Life Extension's long standing premium line; Suntheanine is a patented, pure form that the company independently verifies to ensure you get the real deal every time.

Life Extension has built a reputation as a science led premium supplement maker with international reach. This L-Theanine uses Suntheanine, the patented, pure form that has earned trust in clinical research and is independently verified for purity. The product is designed for daily use, offering a calm, focused feeling without harsh stimulants. Packaging and quality standards reflect Life Extension's commitment to transparency and consistency, so you know you’re getting a reliable, well made supplement you can reach for when you need a steady mood and clear head. Trusted by customers worldwide. Quality you can feel. For a broader wellness routine, some people pair this with a vitamin d supplement.