Complete Sleep Formula

Name: Complete Sleep Formula
Brand: SF Zero
SKU: SFZ-CACAO-360
Price: 80.0 USD
Availability: InStock

Rich Cacao

No Melatonin^* Clinically Dosed^*

Everything your body needs to sleep, in a nightly cacao drink. Five active ingredients, each at its clinical dose. The only sleep support you need.^*

Calmer mind within 30 minutes*
Sleep through the night without 3am wake-ups*
Wake up rested, not foggy*

One-time purchase

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Deliver every month

Auto-renews, skip or cancel anytime.

One-time purchase

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Deliver every 3 months

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Best Value

3-month supply Save 40%

$240 $48/mo

$1.60/day

90 servings, delivered every 3 months

Maximum savings, lowest price per serving

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Free shipping, every delivery

90-night money-back guarantee

Free Complete Sleep Kit ($115 value)

1-month supply Save 25%

$80 $60/mo

$2/day

30 servings, delivered monthly

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Free shipping, every delivery

30-night money-back guarantee

Free Starter Kit ($40 value)

One-time purchase (pay full price)

$80

$2.66/day

✕No free shipping

✕No free gifts

Studied for lowering body temperature during sleep.

Glycine 3,000mg Full clinical dose

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Rated 4.8/5

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★★★★★

Three weeks in and I haven't touched my melatonin gummies once. I sleep through the night and wake up actually clear-headed.

★★★★★

The taste alone makes it easy. But honestly, I sleep deeper and wake up clearer. My new favorite part of the day.

★★★★★

First sleep aid that actually keeps me asleep through the night. I'd given up trying. SF Zero has been on my nightstand for two months.

30-night money-back guarantee. Less than 1% of customers ever use it.

Real customers, real results.

Watch why women are switching to SF Zero for deeper sleep and clearer mornings.

TikTok

4.8 Average rating

327 Reviews

89% Reorder

What to expect from your first 30 nights.

Real change you can feel in as little as 7 nights.

Night 01
Calm, almost immediately
- Calmer within 30 minutes
- Less tense before bed
- Easier to fall asleep
Week 01
Falling asleep gets easier
- Less lying awake at night
- Less tossing and turning
- Bedtime starts to feel good
Week 02
The 3am wake-ups fade
- Sleep through the night
- No more anxious wake-ups
- Mornings feel lighter
Month 01
Sleeping gets easy again
- Wake up rested, not foggy
- More energy through the day
- Sleep stops being a struggle

How to use:

One scoop, 30 minutes before bed, every night.

Our standard. Our no list.

We'd rather leave something out than pretend it works.

What we do

All-natural
Every milligram on the label
Clinical doses
Every dose linked to its study
Human studies only
Third-party tested
Non-GMO certified
cGMP certified facility

What we don't

No proprietary blends
No hidden doses
No underdosing
No melatonin
No magnesium oxide
No reishi
No GABA
No L-tryptophan
No maltodextrin
No erythritol
No stevia
No natural flavors
No artificial sweeteners
No added sugar
No fillers
No sedatives
No tolerance build-up

5 active ingredients. All at clinical dose.

No proprietary blends. No symbolic doses. Just five clinically-studied actives, each at the amount the research is built on.

Glycine

3000mg

Amino acid

Ashwagandha KSM-66

300mg

Adaptogen

Magnesium glycinate

200mg

Mineral

L-theanine

200mg

Amino acid

Apigenin

50mg

Flavonoid

Every dose is third-party tested.

See all 11 ingredient sources →

See how SF Zero stacks up.

Most sleep aids rely on hormones, hidden doses, or proprietary blends. We don't. Every ingredient in SF Zero is studied, dosed at the level the research uses, and printed in full on the label.

Compare:

SF Zero

Melatonin gummy

Sleep supplements

Other sleep drinks

Safe to take every night

Yes

Linked to heart risk

Often adds melatonin

Proven to actually help you sleep

Yes

4 minutes faster

Only if doses match

Hidden doses

Exactly what's on the label

Every mg

88% mislabeled

Per bottle

Proprietary blend

Something to look forward to

Delicious cacao drink

Sugars + hormones

3 bottles, 5 pills

Tastes like grass

What you pay for one good night

$1.25

$0.35 (for 4 min)

$6.17

$1.90

Every claim above comes from peer-reviewed research, not our marketing team. Tap any ⓘ to see the source.

A ritual you'll actually look forward to.

No pills to swallow. No timing to remember. Just one warm cup, every night.

Mix one scoop

Add one scoop to eight ounces of warm milk. Oat, almond or dairy, Whatever you like.

Stir until smooth

Whisk, froth or stir for about 30 seconds. The cacao melts in. It starts to smell like dessert.

Sip before bed

Drink it about 30 minutes before bedtime. Take your time and enjoy it, that's the whole point.

Wake up clear

No grogginess. No melatonin hangover. Just the kind of morning that comes after real sleep.

Mix one scoop

Add one scoop to eight ounces of warm milk. Oat, almond or dairy, Whatever you like.

Stir until smooth

Whisk, froth or stir for about 30 seconds. The cacao melts in. It starts to smell like dessert.

Sip before bed

Drink it about 30 minutes before bedtime. Take your time and enjoy it, that's the whole point.

Wake up clear

No grogginess. No melatonin hangover. Just the kind of morning that comes after real sleep.

Why 30 minutes?

That's when magnesium and L-theanine peak in your system.

OUR PROMISE

30-night sleep guarantee.

Try SF Zero for 30 nights. If you don't feel the difference, you'll get your money back.

Third-party tested

Cancel any time

Clinical doses, full transparency

Questions? We've got answers.

Everything you need to know before your first sip.

Pick a topic:

Why no melatonin?

Melatonin is a hormone your brain already makes. Supplementing it long-term has been linked to a 90% higher risk of heart failure (American Heart Association, 2025), and the AASM advises against it for chronic use. SF Zero gives your body what it needs to wind down, without the hormone.

What's actually in SF Zero?

Five key ingredients, each at the dose used in real sleep trials: glycine (3000mg), magnesium glycinate (200mg), L-theanine (200mg), apigenin (50mg), ashwagandha KSM-66 (300mg), and zero melatonin by design. Plus a base of organic cacao, coconut milk powder, monk fruit, sea salt and vanilla. Nothing hidden, no proprietary blends.

See the full ingredient breakdown →

Are the doses clinically studied?

Yes. Each of the active ingredients is dosed at the level used in peer-reviewed human sleep trials. Not "clinically inspired" or rounded down to save costs. Every milligram is printed on the bag.

Is it third-party tested?

Every batch. We send each production run to an independent lab to verify potency, purity and screen for heavy metals, microbial contamination and pesticides. Want the Certificate of Analysis for your specific batch? Email support@sf-zero.com with your batch number and we'll send it within 24 hours.

What does it taste like?

Rich, dark cacao. The kind you'd actually want before bed. Lightly sweet from monk fruit (no sugar, no artificial sweeteners), with a hint of vanilla and sea salt. Most customers compare it to a really good hot chocolate, just one without the sugar crash.

Is it vegan, gluten-free, dairy-free?

Yes to all three. SF Zero is 100% vegan, gluten-free, and dairy-free. The coconut oil powder gives it the creamy texture without using dairy. Free from soy, maltodextrin, artificial colors, and artificial sweeteners.

When should I drink it?

About 30–45 minutes before bed. That gives the magnesium and L-theanine time to reach your bloodstream and start their relaxing work right around the moment you want to fall asleep.

How do I prepare it?

One scoop, 8oz of liquid, stir or froth until smooth. Takes about 30 seconds. Hot or cold, both work. Try it as a warm cacao with (oat) milk before bed, or blend it cold with ice for a chocolate smoothie on summer nights. Most customers go warm in winter, cold in summer. Use whatever milk you like: oat, almond, dairy, or just water.

How fast will I feel it working?

Most people feel calmer and more relaxed the first night. Deeper, more restorative sleep typically builds over 1–2 weeks as the magnesium and ashwagandha reach steady levels in your system. Give it 30 nights before you judge, that's why our guarantee is 30 nights long.

Will I wake up groggy?

No. That groggy, hung-over feeling people associate with sleep aids comes from melatonin and sedating ingredients, neither of which we use. SF Zero works with your body's natural sleep rhythm, so you wake up clear-headed, not knocked out.

Is it safe to drink every night?

Yes. SF Zero is designed for nightly use. None of the ingredients are habit-forming or hormone-disrupting. Unlike melatonin, which the AASM recommends against using long-term. You can drink it every night without building tolerance or dependence.

How do I switch from melatonin?

Most people stop melatonin cold turkey when they start SF Zero and don't look back. If you've been on a high dose (5mg+) for a long time, you might have one or two restless nights as your body recalibrates. Your brain knows how to do this, melatonin just got in the way.

Can I use it with other supplements or medications I take?

Most likely you don't need to. SF Zero already gives you clinical doses of glycine (3000mg), magnesium glycinate (200mg), L-theanine (200mg), ashwagandha KSM-66 (300mg) and apigenin (50mg). If you're already taking these as separate pills, you can stop! that's the whole point of SF Zero. One scoop replaces the chalky stack on your nightstand.

For other supplements not in our formula (vitamin D, B-complex, etc.), generally fine to combine. For prescription medications, especially blood thinners or other sleep medications, please consult your doctor first.

Is it safe during pregnancy or breastfeeding?

We don't recommend SF Zero during pregnancy or breastfeeding without first consulting your doctor. The individual ingredients are generally considered safe, but every pregnancy is different, your OB/GYN knows your situation best.

What if it doesn't work for me?

We offer a 30-night money-back guarantee. Try SF Zero for 30 nights if you're not sleeping better, email support@sf-zero.com and we'll refund you in full. Keep the bag. No questions, no return shipping, no hoops.

How fast is shipping?

Free shipping on all subscription orders or over $90. Orders typically ship within 1–2 business days and arrive in 5–10 business days, depending on your location.

Can I change my address after ordering?

Yes, as long as your order hasn't shipped yet. Email support@sf-zero.com with your order number and the new address as soon as possible, and we'll update it before it leaves the warehouse.

How does the subscription work?

Subscribe and save up to 40%. Your bag arrives every 30, 60 or 90 days, automatically. You can skip a delivery, change the frequency (every 30, 60 or 90 days), or cancel any time with one click in your account. No phone calls, no email chains, no commitment.

5 stars: 284 (87%)
4 stars: 31 (9%)
3 stars: 8 (2%)
2 stars: 4 (1%)
1 star: 0 (0%)

Honestly wasn't sure a cocoa drink would do anything but I've been sleeping so much better. it's become my little routine every night and I actually look forward to it!

Got mine in the mail today, so excited to finally try this!

Didn't think it would do anything honestly but I actually sleep through the night now. Wish I bought it sooner!

Vanilla rounds it out

Bought the bundle, no regrets. Three days into a heat wave and I'm sleeping fine. I will keep buying this.

Thank you for the kind words — and for trusting us with your sleep.

Smart science

I started this during a big deadline week. It froths into a real hot chocolate, not a chalky mess. I dream normally again, not those wild melatonin dreams. Every milligram on the label — finally.

Reviews like this keep us going. Sleep deep.

First time in years

I make this every night around 9pm. It's a ritual I actually keep. I'm not waking up at 3am anymore. Customer service was kind when my bag arrived torn.

So happy this is part of your evenings now. Thank you for the review.

Clean ingredient list

Postpartum sleep is brutal, this is helping. No grogginess, no vivid dreams, no weird metallic taste. Set-and-forget subscription, no shady tactics.

We're so glad you've found your ritual. Thank you.

No more pill bottles

Cortisol issues kept waking me at 2am. My nightly wine got replaced by this. My only complaint is I want a travel-size version.

Thank you — keep sipping, keep sleeping.

Better than warm milk

I'm autistic and sleep regulation is hard for me. I sleep deeper, not just longer. I cancelled three other sleep supplements after starting this. Already gifted three bags.

Thrilled the formula is doing its job. Thank you for the review.

Quietly excellent

Found this through the founder's TikTok. The 200mg magnesium glycinate is the real deal. Auto-ship is locked in.

We're thrilled it's working for you. Welcome to the SF Zero family.

Couldn't believe it

Single mom of three, sleep is gold. I add a pinch of cinnamon and call it dessert. Real cacao taste, not that fake chocolate flavor. Genuinely life-changing for my sleep.

Thank you for the kind words — and for trusting us with your sleep.

Lost a star on shipping

I'm enjoying this, just a few small things. Packaging arrived slightly dented but the product inside was fine. Will reorder.

Thank you for the candid review. Reach out if you ever want to chat about the formula — we love these conversations.

Loyalty earned in one bag

Used it for 30 nights straight before reviewing. I actually wake up rested for the first time in forever. Customer service was kind when my bag arrived torn.

Honest reviews like yours matter to us. Thank you.

Six weeks of results

My husband and I both drink it now. I built a nightly ritual around it: shower, sip, read, sleep. Cancel button is one click — that alone earned my trust.

Thank you for the detail and the kindness. Sleep well tonight.

DTC done right

I run marathons and recovery sleep matters. It became the cue my body needed to wind down. Take my money forever.

We're grateful you took the time to share. Cheers to better mornings.

Brand story sold me

Use it with my Ember mug and it's a whole vibe. The apigenin dose matches what Huberman recommends. Recommend to anyone tired of feeling groggy.

So happy this is part of your evenings now. Thank you for the review.

Subscription, no question

I never write reviews but here we are. It's a ritual I actually keep. Please don't change the formula.

Reviews like this keep us going. Sleep deep.

Helped me through finals

I bought this after reading the AHA study on melatonin. My nightstand pill bottles are gone. No grogginess, no vivid dreams, no weird metallic taste. Will absolutely buy again.

Reviews like this keep us going. Sleep deep.

Saved my sleep this winter

Read the journal post about apigenin and was sold. Free shipping arrived faster than expected.

Thanks for sticking with us through the first few weeks — it really does build.

Functional and delicious

Saw this on TikTok and figured I'd try it. Crunch time at work and I still slept well. Please make a decaf morning version.

Thank you for sharing this — stories like yours are exactly why we built SF Zero. Sleep well.

Better than Beam

I read every word on the formula page before ordering. My deep sleep on Oura has nearly doubled. Lifelong customer.

Your review made our day. Thank you for trying us.

Cheaper than a wine habit

My nights have been a mess for months. Beautiful packaging, beautiful product, beautiful brand.

Thrilled to hear it. Sweet dreams (the normal kind, not the melatonin kind).

No vivid dreams anymore

I'm autistic and sleep regulation is hard for me. Stress sleep used to be brutal for me — this changed that. Beautiful packaging, beautiful product, beautiful brand.

Your review made our day. Thank you for trying us.

Bedtime treat now

Caregiver for my mom, stress is real. Cheaper than therapy.

Thank you for the detail and the kindness. Sleep well tonight.

Quietly confident

I picked this up after my doctor mentioned melatonin tolerance. L-theanine helps me unwind without making me drowsy during the day. I actually wake up rested for the first time in forever. Buy two — you'll go through it fast.

Your review made our day. Thank you for trying us.

Off the ZzzQuil

I'd been searching for a clean sleep aid for a year. My HRV climbed within two weeks. Pays for itself in deep sleep.

Thanks for sticking with us through the first few weeks — it really does build.

Energy is back

Tried it because I was tired of feeling tired in the morning. Knowing exactly how much magnesium I'm getting matters. It scratches the chocolate craving without the sugar crash. Cheaper than another month of bad sleep.

Thank you — we're honored you switched to us.

Brain fog cleared

Coming up on my second bag now. It calmed my racing thoughts within 30 minutes. Cheaper than another month of bad sleep.

This made our whole team smile. Thank you for being part of the brand.

I look forward to sleep

I bought this for my dad and ended up keeping a bag. Conference week I drank it every night and survived. Easily my favorite purchase this year.

Hearing this is everything. Enjoy your evenings.

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Complete Sleep Formula

Complete Sleep Kit

Free Starter Kit

What we do

What we don't

SF Zero

Melatonin gummy

Sleep supplements

Other sleep drinks

30-night sleep guarantee.