t4 smooth.
Marine collagenother
Ingredient

Marine collagen

Recovery support, neutral flavor.

  • Gluten-free
  • Dairy-free
  • Nut-free
  • Caffeine-free

Why we use it

Wild-caught marine peptides absorb faster than bovine in clinical studies.

How we source it

Wild-caught North Atlantic fish.

Read our full sourcing standards →

Notable for

  • Skin
  • Joints
  • Recovery

Educational, not a health claim. Always talk to a clinician about your own diet.

Frequently asked

Is the marine collagen in T4 Smooth organic?
Whenever the harvest allows, yes. Our default is certified-organic or regenerative growers within our sourcing network. When a season forces us off that standard we say so on the bottle.
Where does T4 Smooth source marine collagen?
Wild-caught North Atlantic fish.
Which T4 Smooth blends contain marine collagen?
Every blend that uses marine collagen is listed below with its full ingredient breakdown, calorie count, and diet badges.