Strawberry Sunshine On the Brightside soft drink being poured into a clear glass, creating a pinkish liquid splash against a warm beige background.

5 STARS. EARLY, BUT UNANIMOUS

TRY THE SODA THAT ACTUALLY CALMS YOU DOWN.

Your first 4-pack — $19.99, shipped free.

Meet the zero sugar, zero calorie feel-good soda for a calmer mind, brighter mood, and full-body ease.

Try both flavors — two Strawberry Sunshine, two Guava Glow.

ZERO SUGAR / ZERO CALORIE / ZERO ALCOHOL / ZERO CAFFEINE / NATURALLY FLAVORED / SWEETENED WITH ONOSWEET® / YOU’LL FEEL GOOD FAST / ZERO AFTER-EFFECTS / CALM, NOT SLEEPY / RELAXED, NOT TIRED /

THE BRIGHTSIDE EFFECT

A BRIGHTER WAY TO RELAX™

A warm lift without the weight

Calm ease without the haze

Calm, not sleepy. Relaxed, not tired

Good in your body, clear in your mind

Present, open, a lot more you

A little lighter, a little brighter

Light enough for daytime, social enough for nights out, easy enough for anytime.

CONFESSIONS FROM THE BRIGHTSIDE

LIFE ON THE BRIGHTSIDE

MOST DRINKS PROMISE A FEELING.
THIS FEEL-GOOD SODA DELIVERS ONE.

Relax your shoulders and unclench your jaw. That slow exhale you just did? That’s the warm, full-body calm we put in a can.

Tastes like the first sip of your second drink.

Two cans of On the Brightside drinks, one strawberry sunshine, one Guava Glow, on top of ice inside a cooler.

Gradient background transitioning from purple to pink

THE FEEL-GOOD SODA

YOU CAN ACTUALLY FEEL

FEELING GOOD, ON REPEAT

Two cans of Brightside drinks, one Strawberry Sunshine and one Guava Glow, on a blue cooler with an orange background.

Two Soda Sampler 4-Pack

TRY THE SAMPLER 4-PACK

$19.99

+ free shipping

Two cans each of our 2 feel-good sodas, so you can feel the effect before you commit.

Strawberry Sunshine: Sparkling strawberry lemonade — bright, a little tart, and like the summer lemonade stand of your dreams.

Guava Glow: Sparkling guava, passion fruit, and orange — tropical and refreshing. Like a day on the beach minus the sunburn.

Zero sugar · Zero Calorie · Zero proof · Zero THC

HOW IT FEELS

WARM, GOLDEN, UNBOTHERED, THRIVING

Calm, clear, and easy without sedation, baggage, or the awkward morning after. Just that floaty, feel-good feeling, whenever you want it.

ONE

CRACK ONE OPEN

Cold from the fridge and drink straight from the can. Pour it in a frosty glass if you're feelin' yourself. Wherever you are right now is exactly the right place.

TWO

TWENTY MINUTES IN

Your shoulders soften, music sounds better, conversation comes easier, you feel a little funnier, and you're totally tuned in. Feel like the person you're meant to be.

THREE

STAY IN IT

That warm, full-body calm settles in. The kind of good that makes you want to crack another one. Go ahead — we made plenty, because feeling good shouldn't have to be occasional.

THE PLANT

ONE INGREDIENT

No stacking ten things and hoping one of them works. Just a single, science-backed extract from a South African succulent that's been used for centuries for calm, clarity, and social ease — the same dose, every single time. Not all extracts are Zembrin®, but ours sure is.

Studied for what people actually want from a soda like this: a calmer mind, brighter mood, and full body ease, without sedation or dependence.

can of strawberry sunshine being poured into drinking glass

FAQS

A FEW THINGS PEOPLE ASK

Golden hour on demand raises a few questions. Fair! Here's everything you want to know before your first sip.

Calm, clear, and a little floaty — like that golden hour feeling, when everything's a little easier and nothing in particular needs fixing. Conversation flows easier, music sounds better, and your shoulders drop somewhere you forgot they could go. Basically, unbothered and feeling good.

Yes! That's the whole point. A lot of functional drinks ask you to take something for six weeks and hope for the best. We didn't love those odds. On The Brightside™ is powered by Zembrin®, and most people feel it within 20–30 minutes. Warm, clear, easy — not dramatic, not intoxicating. Just that golden hour feeling, on demand. Patience not required.

It's one ingredient, not a stack of ten. Zembrin® is a patented, science-backed extract of a South African succulent (Sceletium tortuosum, also known as kanna) that's been used for centuries for calm, mental clarity, and social ease. What makes it different: it's derived from a specific, proprietary cultivar that nobody else can use — same strain, same extraction, same experience every single time. Not all kanna is Zembrin®, but ours sure is.

Because one great thing done right beats ten mediocre things done vaguely. Every other brand in this space stacks ashwagandha, magnesium, lion's mane, L-theanine, and whatever else was in the trend report. Stack enough things and maybe something works? Maybe. On the Brightside™ uses one ingredient — Zembrin®— so you know exactly what you're feeling. And with us, you actually will.

Nope. Zembrin® is non-sedating, non-intoxicating, and science-backed for the opposite of jittery or on-edge. You'll feel warm, clear, and chill — not foggy or altered. No buzz, no crash, no next-morning regret. You're completely in control, just a calmer, easier, more golden version of yourself.

Anytime! Morning meeting, afternoon slump, first date jitters, that night out where you want to be present and not sloppy — or just whenever someone's testing your patience and you'd rather stay chill and unbothered. On the Brightside™ is non-sedating and caffeine-free, so there's no wrong time to crack one open. The golden hour is whenever you want it to be.