Head to head · Sleep & Stress
Moon Juice Magnesi-Om vs Sports Research L-Theanine 200 mg with Suntheanine
Sports Research scores higher overall (8.0 vs 6.5 out of 10) and leads on four of the five factors we score.
Updated September 2026 from our full reviews · How we score
The TikTok-famous 'Sleepy Girl Mocktail' magnesium: tasty and third-party tested, but mostly laxative magnesium citrate at about $1.47 a serving.
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A simple, well-dosed 200 mg Suntheanine softgel for calm focus and wind-down, at about $0.33 a day. Contains gelatin and coconut.
We may earn a commission when you buy through these links — it never affects our scores. How we make money
We may earn a commission when you buy through these links — it never affects our scores. How we make money
The short answer
Choose Moon Juice if…
- People who enjoy a flavored bedtime drink ritual
- Those who also want a gentle laxative effect
- Shoppers who value tested, sugar-free ingredients
Choose Sports Research if…
- Stress and racing thoughts at bedtime
- Calm focus without drowsiness
- People who want a single-ingredient formula
- You care most about efficacy, value, experience, transparency
- You want the lower cost per serving ($0.33)
Side by side
| Magnesi-Om | L-Theanine 200 mg with Suntheanine | |
|---|---|---|
| Our score | 6.5 / 10 | 8.0 / 10 |
| Efficacy (30%) | 6.3 | 7.8 |
| Quality & Purity (25%) | 7.3 | 7.5 |
| Value (20%) | 4.5 | 8.3 |
| Experience (15%) | 7.4 | 8.5 |
| Transparency (10%) | 7.8 | 8.8 |
| Form | Powder | Softgel |
| Serving | 1 teaspoon30 servings per container | 1 softgel60 servings per container |
| Price per serving | $1.47 | $0.33 |
| Testing & certifications | Third-party tested | Third-party testedcGMP facility |
| Dietary | Vegan, Non-GMO, Sugar-free | Gluten-free, Non-GMO |
| Key ingredients |
|
|
| Flavors | 5 (Berry, Blue Lemon, Guava…) | — |
| Creator video reviews | 5 | 3 |
Pros and cons
Magnesi-Om
- Clearly disclosed dose of each magnesium form plus 112 mg L-theanine
- Sugar-free, monk-fruit sweetened; buyers consistently praise the taste
- Finished product retested by a third-party lab to California Prop 65 limits
- Several flavors plus an unflavored 'Naked' version
- About $1.47 per serving at list price, far more than comparable magnesium
- Two-thirds of the magnesium is citrate, and stomach pain and cramping are recurring buyer complaints
- 310 mg is close to the 350 mg daily upper limit for supplemental magnesium
- Sleep evidence for magnesium is weak, and L-theanine is below studied doses
L-Theanine 200 mg with Suntheanine
- 200 mg Suntheanine per softgel, matching the dose used in a 2019 randomized trial
- Single active ingredient with a short, fully disclosed label
- Third-party tested, cGMP-compliant, gluten-free and IGEN Non-GMO tested
- About $0.33 per serving at list price
- Gelatin softgel is not suitable for vegetarians; label lists coconut as a tree-nut allergen
- Some buyers report stomach upset, and the softgels are on the larger side
- No NSF, USP or similar product certification
- Effects are subtle; 200 mg is at the low end of the dose range linked to better sleep
Our verdicts
Magnesi-Om
Magnesi-Om is a pleasant, transparent and third-party tested drink mix, and some people clearly love it as a nightly ritual. But its magnesium is mostly citrate, the evidence for magnesium and sleep is weak, and the price is steep, so we see it as an overhyped, overpriced option rather than a sleep solution. If you want to try magnesium for sleep, a much cheaper magnesium glycinate is a better first step.
Full review
L-Theanine 200 mg with Suntheanine
This is an easy recommendation for anyone who wants to try L-theanine: a studied dose of a branded ingredient, a transparent label and consistently strong buyer feedback. Expect subtle calm rather than a knockout effect, and choose a capsule version if you avoid gelatin or coconut.
Full review
What creators say
Questions people ask
Is Moon Juice better than Sports Research?
Which is cheaper per serving, Moon Juice or Sports Research?
Who should choose Moon Juice over Sports Research?
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