Clarity Cold Brew Tonic iced coffee mocktail with foamy top and cinnamon dusting

Clarity Cold Brew Tonic

A smooth cold brew mocktail with nootropic mushrooms and creamy finish

Coffee shop vibes with brain-supporting benefits your barista can't offer.

Why It Works

Lion's Mane mushroom has gained significant attention for supporting nerve growth factor (NGF) production, which plays a role in cognitive function and brain health. Combined with the smooth, low-acid profile of cold brew and the focus-enhancing L-Theanine, this drink delivers sustained mental clarity without the anxiety edge of regular coffee.

This is a Functional Beverage

See the benefits of these functional ingredients

Lion's Mane

Lion’s mane mushroom growing on wood, with its signature shaggy white spines.

Lion’s Mane is a  mushroom native to North America, Asia, and Europe. It grows naturally on hardwood trees, especially beech and oak, and has been used in traditional chinese & Japanese medicine for centuries to support cognition and digestion.

Commonly Used For 

Enhancing Focus
Concentration
Memory Support
Learning Support
Calming Mild Anxiety
Clearing Mental Fog
Cognitive Recovery

Common Forms Available

Powder
Tincture (dropper)

L-Theanine (green tea)

Loose green tea leaves in a wooden scoop with fresh green tea leaves on a rustic wooden surface

L-Theanine is a naturally occurring amino acif found almost exclusively in Green Tea leave (and to a lesser extent, black tea). It was first isolated in Japan in the 1940s and has since become of the most researched natural compounds for calm and mental clarity.

Commonly Used For 

Enhancing Focus
Mental Clarity
Relaxed Alertness (great for work and studying)
Reducing Anxiety without drowsiness
Improved Sleep Quality when taken at night
Soothing out the jittery effects of caffeine.

Common Forms Available

Green Tea (25-60mg per cup
Isolated Powder
Tincture (dropper)

Glassware That Gets Compliments

Modern, colorful coupe glasses made for cocktails, spritzes, and everyday design-forward sipping

  • Coupe Glasses
  • Fruit Icon Glasses
  • Hobnail Beaded
  • Gatsby Style

Clarity Cold Brew Tonic

A smooth cold brew with Lion's Mane for cognitive support and L-Theanine for calm focus. Coffee upgraded to functional beverage status.
Prep Time 5 minutes
Total Time 5 minutes
Course Drinks
Servings 1
Calories 75 kcal

Equipment

  • Bar Spoon

Ingredients
  

  • 6 oz cold brew coffee concentrate
  • 1/2 teaspoon Lion's Mane mushroom powder
  • 1/4 teaspoon L-Theanine powder about 100mg
  • 2 oz oat milk or milk of choice
  • 1 tablespoon maple syrup
  • Pinch of cinnamon
  • Ice

Instructions
 

  • Add Lion's Mane powder and L-Theanine to a tall glass. Pour in 1 oz of cold brew and stir to dissolve powders completely.
  • Add remaining cold brew and maple syrup. Stir until maple syrup is incorporated.
  • Fill the glass with ice.
  • Slowly pour oat milk over the back of a spoon to create a layered effect, or stir for uniform color.
  • Dust with cinnamon and serve with a reusable straw.
  • Stir before drinking if layered.

Notes

Cold brew concentrate works best. If using regular cold brew, reduce to 4 oz and add 2 oz water. Lion's Mane powder dissolves better in liquid first rather than added to ice. Store leftover functional cold brew base (before milk) refrigerated up to 24 hours.

Nutrition

Serving: 1gCalories: 75kcalCarbohydrates: 14gProtein: 1gFat: 1gSugar: 12g
Zero Proof Social Club logo featuring bold, modern typography with a sleek design

Pro Tips

  • Dissolve Lion's Mane in a small amount of liquid first to prevent clumping.
  • Use dual-extracted Lion's Mane powder for maximum bioavailability of both water and alcohol-soluble compounds.
  • Make your own cold brew concentrate: 1 cup coarse coffee to 4 cups water, steep 12-24 hours, strain.
  • Froth the oat milk with a handheld frother for a latte-like experience.

Variations

  • Mocha Clarity: Add 1 tablespoon cacao powder for a chocolate coffee experience
  • Vanilla Focus: Add 1/4 teaspoon vanilla extract and use vanilla oat milk
  • Protein Powered: Blend with 1/2 scoop vanilla protein powder for a post-workout option
  • Iced Americano Style: Skip the oat milk for a stronger, cleaner coffee flavor

Nugget Ice Maker

Modern, colorful coupe glasses made for cocktails, spritzes, and everyday design-forward sipping

$189.99

FAQ

Q: Will Lion's Mane make my coffee taste mushroomy?

A: No. Quality Lion's Mane powder has a very mild, slightly sweet flavor that disappears completely in cold brew. You won't taste mushroom at all.

Q: How is this different from regular coffee?

A: The caffeine is identical to your cold brew base. The difference is L-Theanine smoothing the energy curve and Lion's Mane providing cognitive support that regular coffee lacks.

Q: When will I notice the Lion's Mane working?

A: Unlike caffeine's immediate effect, Lion's Mane benefits build over consistent use. Most people notice improved focus and mental clarity after 2-4 weeks of daily use.

Q: Can I add this to hot coffee instead?

A: Yes, though cold brew has lower acidity which pairs better with mushroom extracts. For hot coffee, use hot water to dissolve the powders first before adding to your cup.

Q: How much caffeine is in this?

A: Approximately 150-200mg depending on your cold brew concentration. The L-Theanine doesn't reduce caffeine content but modulates how your body experiences it.

Q: Is this too much if I already take Lion's Mane supplements?

A: At 1/2 teaspoon (about 500-1000mg depending on brand), this is a moderate dose. Combined with a supplement, monitor your total daily intake and adjust as needed.

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Clarity Cold Brew Tonic iced coffee mocktail with foamy top and cinnamon dusting