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Explore ingredients used across youtheory formulas and find products built around what matters most to you.
Featured Ingredients
Learn what ashwagandha is, how it supports stress and mood, and how to choose a high-quality supplement for your routine.
Learn what collagen is, how it supports skin, joints, and daily wellness, and how to choose a high-quality supplement.
Learn what nicotinamide riboside is, how it supports cellular energy, and how to choose a high-quality supplement.
Learn what quercetin is, how it supports antioxidant activity and cellular health, and how to choose a high-quality supplement. *
All Ingredients
Supports stress response and overall balance
Supports hair, skin, and nail health
Supports digestion and metabolic processes
Supports skin elasticity and overall structure
Supports cellular defense and antioxidant activity
Supports hydration and skin moisture balance
Supports calm focus and mental clarity
Traditionally used to support energy and stamina
Supports muscle function and digestive processes
Supports the body’s natural sleep cycle
Studied for their role in cognitive and brain support
Supports cellular energy through NAD+
Supports brain structure and overall function
Supports gut balance and digestive health
A plant-derived compound studied for cellular support
A plant-derived compound studied for antioxidant support
Supports antioxidant activity and immune system function
Studied for its role in supporting energy and vitality
Traditionally used to support inflammation response and joint comfort
Supports energy metabolism and hormone-related processes
Supports immune function and antioxidant activity
Supports how calcium is used in the body
Why youtheory
Backed by Science
We are committed to providing the highest quality supplements with proven ingredients
Transparent Labelling
We don't hide behind proprietary blends, we trace our ingredients back to the source
Committed to Quality
Our products are rigorously tested for purity & potency
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