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4.7/5 based on 5,000+ customers

from selerb's lover

4 Reasons

Why This Formula Actually Works

See why this formula is different.

KSM-66® Ashwagandha Root-Derived. Studied for Stress Support.

Root-Derived. Studied for Stress Support.

KSM-66® is extracted exclusively from ashwagandha roots. On 2012. In a small, randomized trial involving 64 adults experiencing stress, 600 mg daily for 60 days was associated with greater reductions in perceived stress and serum cortisol than placebo.



L-Theanine Naturally Found in Tea. Studied for Sleep.

Naturally Found in Tea. Studied for Sleep.

L-theanine is an amino acid naturally present in tea. On 2019. A small, four-week crossover trial in 30 adults found that 200 mg daily improved selected sleep questionnaire measures compared with placebo.

Lemon Balm Extract Leaf-Derived. Studied for Calmness.

Leaf-Derived. Studied for Calmness.

Lemon balm extract comes from the leaves of Melissa officinalis. On 2004. In a small, randomized crossover study involving 18 healthy adults, a single 600 mg dose increased self-rated calmness during a laboratory stress test compared with placebo.

Magnesium Glycinate Magnesium + Glycine. Studied for Sleep.

Magnesium + Glycine. Studied for Sleep.

Magnesium bisglycinate pairs magnesium with glycine. On 2025. A four-week randomized trial involving 155 adults reporting poor sleep found modest improvements in insomnia severity with 250 mg of elemental magnesium daily, compared with placebo.

Four things you’ll feel in the first 4–8 weeks*

*Individual results vary. Based on customer-reported outcomes.

94%

Said they fell asleep faster

within the first two weeks of taking CalmTrio nightly

91%

Felt calmer and more relaxed at bedtime

with less of that tired-but-wired feeling

89%

Woke up feeling more rested

instead of dragging through the morning

96%

Said they’d recommend it to a friend

who’s been struggling with sleepless nights

Real Benefits. Backed by Research.

Carefully selected ingredients, clearly explained, for a simple daily wellness routine.

Deep, uninterrupted sleep Deep, uninterrupted sleepFall asleep faster. Stay asleep through the night.
Selerb uses the form that actually reaches your nervous system, where it calms the signals that keep your brain wired at night. Most people start falling asleep faster within the first week. By week 2-3, the 3am wake-ups get shorter or stop completely. You sleep through the night — not because you're drugged, but because your body finally has what it needs to rest.
Calm nervous system Calm nervous systemTakes the edge off stress and racing thoughts.
That wired-but-tired feeling — exhausted all day, but the moment your head hits the pillow your brain starts replaying every conversation you had — that's your nervous system stuck in overdrive. Magnesium is the mineral that tells it to slow down. It helps your brain produce GABA, the neurotransmitter that turns off racing thoughts. It lowers cortisol, the stress hormone that keeps you on edge.
No more leg cramps No more leg crampsStops nighttime cramps and calms restless legs.
Most customers report cramps fading within the first week. By week 2, they're usually gone. If you've been dosing up on potassium, drinking pickle juice, or stretching for hours trying to fix this — the real issue is almost always magnesium your body can't use. SPNutrition fixes that.
Wake up clear, not groggy Wake up clear, not groggyRested - not drugged, not foggy
This is where SPNutrition is different from sleep aids. Melatonin leaves most people groggy. Sleeping pills leave you foggy for hours. SPNutrition doesn't knock you out — it restores what your body was missing. You fall asleep naturally, sleep deeper, and wake up feeling like yourself again. Clear head. Steady energy. No hangover.
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90-Day Money Back Guarantee

Magnesium ingredient comparison

Unlike regular magnesium, CalmTrio supports the calm, restorative routine your body needs

CalmTrio combines magnesium glycinate with calming ingredients to support a calmer nervous system, better sleep, and steadier daily energy.

Supports a calmer sleep cycle

Magnesium glycinate helps relax the nervous system, while the supporting ingredients are selected for calm focus and restful nights.

Feel like yourself again

With better nutrient support, energy steadies, tension eases, and your daily rhythm can feel more balanced.

Fall asleep faster. Stay asleep through the night.

See the difference in your nights

Most people feel a shift in the first week. By week 4, your body has refilled what it’s been running on empty for years.

Before CalmTrio

  • Wide awake at 3am
  • Tossing and turning
  • Leg cramps
Running on empty

After 4 weeks

  • Sleep until morning
  • Energy all day
  • No more leg cramps
Finally myself again
Risk-free. Or your money back.

Risk-free. Or your money back.

Try Selerb for 30, 60 or 90 nights depending on your bundle. If you don't sleep better, feel calmer or notice a difference — email us and we'll refund every penny. You keep the bags.

START MY RISK-FREE TRIAL

Free & fast US shipping on 2+ days

Your Wellness

What most people experience

Metabolae is designed to support your daily wellness routine over time. Stay consistent with your softgel, follow your free movement plan, and build healthier habits week by week.

Start My Routine

✓ 90-day money back guarantee

Week 1: The first shift

  • Falling asleep feels easier
  • less tossing, less clock-watching
  • Leg cramps start to fade
  • Body begins responding to daily Ceylon cinnamon support

Week 2-4: The cortisol drop

  • 3am wake-ups get shorter or stop completely
  •  Racing thoughts quiet down faster
  •  Mornings feel less anxious, less foggy
  • Body begins responding to daily Ceylon cinnamon support

Week 4-8: The real sleep returns

  •  Sleeping through the night becomes the norm, not the exception
  • Energy stabilizes through the day
  • Afternoon slump softens
  • Body begins responding to daily Ceylon cinnamon support

Week 8-12 : Long-term restoration

  • Magnesium stores are properly refilled after years of running low
  •  Stress stops spiking sleep the way it used to
  •  Reliable sleep, not occasional sleep
  • Body begins responding to daily Ceylon cinnamon support

Individual experiences vary. This timeline is for general wellness education and is not a promise of results.

You’ve got questions. We’ve got answers.