Best SellerMarine & Bovine
Collagen Milk
Sweet Cream Soda Collagen
Sweet, creamy and fizzy in sparkling water
Meet the cream soda you grew up loving— but upgraded with collagen and with fraction of the sugar. Our nostalgic twist on your collagen ritual— this dreamy blend captures the sweet, fizzy magic of Korean cream soda with a delicate touch of coconut.
Just mix it with sparkling water to recreate the iconic “Milkiss” soda we all loved growing up— only now, it’s supercharged with beauty-boosting marine collagen to help you glow from the inside out. Creamy, sweet (with fraction of the sugar of normal soda pops), and refreshingly light, it’s your childhood favorite reimagined with functional benefits.
Free shipping $60+30-day guaranteeLab certifiedSustainable
Is it carbonated?+
No, but we recommend adding to carbonated sparkling water to get that perfect cream soda texture. Formulated with collagen for comprehensive support of skin, joints, and gut health.
Why this collagen actually works+
Hydrolyzed to 4,000 Daltons — small enough to absorb directly through the gut lining. Third-party tested for heavy metals. Zero fillers or binders.
“ Sephora's favorite K-beauty supplement ” — Allure
Glow From Within
Formula you can trust.
Clinically proven to boost skin hydration +128% in 30 days
- Korean Cafe Flavors
- Low Molecular Weight
- Zero Fillers
- 18+ Amino Acids
- Low Sugar, Low Guilt
What's not in it
- Never fishy or gamey
- No chalky taste
- No artificial sweeteners
- No gluten
- No harmful metals or toxins
- No collagen fillers
What is in it
- Clinically proven
- 3rd-party tested
- Fully traceable
- Non-GMO
- Halal & Kosher
- 5g per serving
Other flavors
- Banana Milk
- Strawberry Milk
- Chocolate Milk
- Vanilla Bean
DELICIOUS·PERFECTLY SWEET·NOSTALGIC·MADE-IN-KOREA FLAVOR·CREAMY·CLINICALLY PROVEN·DELICIOUS·PERFECTLY SWEET·NOSTALGIC·MADE-IN-KOREA FLAVOR·CREAMY·CLINICALLY PROVEN·
The First Sip
Your favorite soda
now packed with collagen.
+28% more hydrated skin in 30 days.
+28% more hydrated skin in 30 days.
Cream soda float · 5g of protein peptides
As seen in the wild
Why Banana Milk
"I couldn't find a collagen that delivered on both taste and quality. So I created delicious flavors around premium, highly hydrolyzed collagen peptides— because your daily skincare ritual should be something you genuinely enjoy."
— Sally, Founder of Crushed Tonic
Why Matcha Collagen
Soda can be good for you
The morning ritual your skin will thank you for.
Delicious soda, in 30 seconds
Just add to sparkling water.
cream soda float
~3g
Sugar, fraction of average soda
A beauty drink
Collagen is the main protein that gives your skin its structure and strength. Drinking it daily is clinically researched to support your body's natural collagen production — leaving skin firmer, more hydrated, and visibly smoother with fewer fine lines.
Skin Firmness & Elasticity
Supports the natural collagen production that keeps skin firm, plump, and resilient — especially after 25, when production slows.
Hydration From Within
+28% measured skin hydration over 30 days of daily use — the kind of glow you can see, not just feel.
Hair, Lash & Brow Strength
Supports fuller-looking hair, stronger nails, and better-looking lashes and brows over time.
Joints & Gut Support
Beyond beauty: supports joint strength, gut lining, and bowel regularity. A quiet wellness upgrade.
Beauty Sleep
Did you know that glycine — one of the primary amino acids in collagen — is associated with deeper, more restorative sleep? Wake up to better skin and better-looking hair, gradually but unmistakably.
100%
increase in skin firmness for the look of fewer wrinkles*
Small, but Mighty
Never Junky Collagen
We hydrolyze our collagen into ultra-fine peptides with no fillers or unnecessary additives, delivering 2× the clinically proven effective dose in every serving—so you get maximum efficacy without oversized servings or wasted ingredients.
Less is More
Most collagen brands need 10g per serving to achieve results. Thanks to our ultra-pure, highly bioavailable collagen peptides, clinical research has shown effectiveness at just 2.5g.
Actually 3rd Party Tested
Better absorption means real payoff — skin, hair, nails. +28% hydration in 30 days, clinically proven.
30 Days of Sips
Glow from within
Day 1
Where most of us start
→
30 days
Day 30
+28% more hydrated, clinically proven
+28%
skin hydration in 30 days
94%
saw a visible difference
1 sip
a day, that's the whole ritual
No, Really — You Will Love It
Why you'll love it.
✓Reduces fine lines, dark circles and pore visibility
✓0 metals, lab-certified every batch
✓No fillers, additives or preservatives
✓2x as effective, 2x as bioavailable
✓Sterilized and filtered twice
✓Truly flavorless and dissolves well
DAY 1
DAY 30
Heal from Within - Consumer Study Results
95%
Increase in skin vitality and texture
After 8 weeks of daily use
97%
Increase in skin hydration and radiance
Visible glow within 30 days
100%
Increase in skin firmness
Less wrinkles, more bounce
5g
Marine Collagen
Most collagen brands need 10g per serving to achieve results. Thanks to our ultra-pure, highly bioavailable collagen peptides, clinical research has shown effectiveness at just 2.5g. We still include 5g in every sachet—that's 2× the clinically proven effective dose—so you get exceptional efficacy without unnecessary fillers or oversized servings.
+68%
Skin Elasticity
Bouncier, plumper skin in under a month of daily sips.
0 Junk
Quality Collagen
No metals, no fillers, no artificial fluff. Clean enough to drink every single day.
94%
Saw Results
94% saw a difference in 28 days. (The other 6% probably forgot to take it.)
The ones who made it a ritual.
@fatherkels
@kensnation
@annxhy
@deseraycummings
1%lost every year
Did You Know?
After 25, you lose about 1% of your collagen every single year.
That's the firmness, bounce and glow slowly slipping. The good news: drinking it back is the easy part when it tastes like banana milk.
To replenish your body’s natural collagen decline, you need the right amino acids—delivered in a low Dalton size that’s easy for the body to digest and use.
MOST BRANDS
Average particle size
10,000
daltons (Da)
Larger peptides are harder for the gut lining to absorb.
Our formula
CRUSHED TONIC
Our particle size
4,000
daltons (Da)
60% smaller than the industry standard - optimised for rapid uptake.
MOST BRANDS - 10,000 Da10,000 Da
CRUSHED TONIC - 4,000 Da4,000 Da
Us vs Them
✓ Our Matcha
Other Collagen
Other Matcha
Taste
Premium grade, not bitter, perfectly green
Chalky, fishy, choke-it-down
Low-grade, murky
Protein
5g marine collagen
Varies, often underdosed
~1-2g (or none)
Absorption
~2x — tiny 4,000 Da peptides
Large peptides, poorly absorbed
No collagen to absorb
Sugar
0g · 20 cal
Often hidden sugars / fillers
15-25g · 150-220 cal
Clean
0 metals, real Japanese matcha, non-GMO
Metals, fillers, synthetic flavor
Synthetic flavor & FD&C dyes
Made the right way
Our Collagen Processing
High-absorption hydrolyzed peptides at 4,000 Daltons. Free from metals, fillers, and additives. 3rd-party tested.
01
Nothing but collagen
No fillers, additives, or preservatives
02
+28% skin hydration
Clinically measured in 30 days
03
Zero heavy metals
Third-party lab tested, every batch
04
Filtered and sterilized twice
Double-purified for a clean pour
05
Truly flavorless
Dissolves into any drink
06
Wild-caught and traceable
Marine collagen tracked to batch
Made in LA · flavors from SeoulGMP Certified
How to Use
Simple daily ritual.
1
Splash 1-2 tbsp of water into your favorite glass.
2
Spoon in your collagen — about 1 tbsp.
3
Whisk 15 seconds. Zero grit, zero clumps, zero regret.
4
Top with ice, milk, or coffee — and channel your inner Seoul cafe.
Sally's Viral Recipe
Drink daily for your best skin!
5 minutes - 1 serving - Banana Milk Latte
1
Mix 1 TBSP banana milk collagen into 2 TBSP water until dissolved.
2
Add 1 cup of oat, almond, or whole milk.
3
For stronger flavor, use 2 TBSP of powder.
4
Add ice and a shot of espresso for the ultimate collagen latte.
Complete amino acid profile.
Hydroxyproline
Primary collagen amino acid - structural stability and cross-linking
Methionine
Antioxidant protecting skin cells from oxidative damage
Arginine
Supports wound healing and stimulates collagen synthesis
Lysine
Essential for collagen cross-linking - skin tensile strength
Histidine
Anti-inflammatory, supports barrier function and repair
Proline, Leucine and Glycine
The backbone trio - about 57% of all collagen by weight
4.9
★★★★★
1k+ verified reviews
★★★★★
“My favorite!! I'm on my 5th batch. I love blending it into my smoothies every morning - the banana milk flavor is genuinely addictive.”
JF
Julia Fox
★★★★★
“I've tried every collagen. This dissolves completely, no weird aftertaste. Skin is genuinely different after 6 weeks.”
SK
Sarah K.
★★★★★
“As a dermatologist, this is the only collagen I recommend. The formulation quality and taste compliance is exceptional.”
DR
Dr. Mia R., MD
Other Flavors
FAQ
Can collagen help with acne?+
Yes - collagen peptides support the skin barrier and reduce inflammation, which can positively impact acne-prone skin.
Amount and serving size?+
1 sachet (14g) per day. Each box has 30 servings. We deliver 10g per sachet.
Marine vs Bovine?+
Marine is Type I only. Bovine is Type I and III. Both hydrolyzed to 4,000 Daltons.
Why should I trust your collagen?+
Every batch is third-party tested by an ISO-certified lab for heavy metals, pesticides, and contaminants.
How long to see results?+
Skin hydration from week 4. Visible glow weeks 6-8. Full dermal remodeling: 90+ days.
Can I take it if pregnant?+
Generally considered safe, but always consult your healthcare provider first.
How is it sustainably sourced?+
Wild-caught fish and grass-fed bovine with full traceability.
What is the clinically proven dosage?+
Most collagen brands need 10g per serving to achieve results. Thanks to our ultra-pure, highly bioavailable collagen peptides, clinical research has shown effectiveness at just 2.5g. We still include 5g in every sachet—that's 2× the clinically proven effective dose—so you get exceptional efficacy without unnecessary fillers or oversized servings.
