CILTEP® (60 Capsules) x 2 is the world's first and only official CILTEP stack formulated by Abelard Lindsay. CILTEP is the healthy, natural way to stay focused, alert and motivated for hours. Learn more
Smart Caffeine (60 Capsules) x 2 eliminates the jitters or anxiety normally associated with caffeine use. By combining caffeine with L-theanine, the calming agent found in green tea, you're able to experience hours of focused energy. Learn more
The two Natural Stacks work extremely well in congruence with one another, but we recommend testing your tolerance with each first.
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Most companies use "proprietary blends" so they don't have to tell you the amount of each ingredient in their formulas. At Natural Stacks we believe it's your right to know exactly what you're putting into your body. We proudly publish our innovative formulas and ingredient suppliers in an open source format.
If for whatever reason you're unsatisfied with your Natural Stacks products, you can return the product within 30 days for a full refund. We also provide actionable tips on our blog and newsletter for you to maximize your performance with our premium products.