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Head-to-head evidence comparison — which supplement is right for you?
Casein Protein vs Lavender: they're closely matched on evidence (7.5 vs 7.2/10); they're alternatives for perceived sleep quality — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Casein Protein and Lavender are closely matched across evidence, studies, and safety.
Verdict
Too few graded studies
1 of 1 studies with measurable effects showed benefit.
Top outcomes
Verdict
Too few graded studies
Top outcomes
30-40g before bed
30-60 minutes before bed, Between meals for sustained protein
Micellar Casein powder
80 mg oral Silexan daily OR aromatherapy inhalation 30–60 min sessions
Evening before bed for sleep and anxiety, Acute use before stressful procedures or events
Oral Silexan capsule (80 mg) for systemic/psychiatric use
Overnight
2-4 weeks
4-8 hours
Always
1–4 weeks
1–3 weeks
4–8 weeks
Acute to 2 weeks
Effects of supplementation with milk protein on glycemic parameters: a GRADE-assessed systematic review and dose-response meta-analysis
Nutrition journal (2023) · Meta analysis · n=1851
Meta-analysis of 36 RCTs in 1,851 adults of milk protein supplementation, whey and casein included.
Pre-Sleep Casein Supplementation, Metabolism, and Appetite: A Systematic Review
Nutrients (2021) · Systematic review · n=11
However, it remains unclear what the effect of this nutritional strategy is on non-muscular parameters such as metabolism and appetite in both healthy and unhealthy populations.
Pre-Sleep Protein Ingestion to Improve the Skeletal Muscle Adaptive Response to Exercise Training
Nutrients (2016) · Review
Protein ingested prior to sleep is effectively digested and absorbed, and thereby stimulates muscle protein synthesis rates during overnight recovery.
Effects of lavender on anxiety: A systematic review and meta-analysis.
Phytomedicine : international journal of phytotherapy and phytopharmacology (2019) · Meta analysis · n=3964
65 RCTs and 25 non-randomised studies were reviewed, and 37 RCTs (3,964 participants) were pooled.
Efficacy of Silexan in patients with anxiety disorders: a meta-analysis of randomized, placebo-controlled trials.
European archives of psychiatry and clinical neuroscience (2023) · Meta analysis · n=1213
Five double-blind placebo-controlled trials of Silexan 80 mg/day for ten weeks in adult outpatients with subthreshold anxiety, mixed anxiety and depressive disorder or generalised anxiety disorder were pooled (n = 1,213).
Efficacy of Silexan in subthreshold anxiety: meta-analysis of randomised, placebo-controlled trials.
European archives of psychiatry and clinical neuroscience (2019) · Meta analysis · n=697
Pooled individual patient data from three placebo-controlled trials in subthreshold anxiety (697 patients), Silexan 80 mg/day for 10 weeks.
Both Casein Protein and Lavender are closely matched — the best choice depends on your specific health goals.
Both Casein Protein and Lavender score equally (40) for perceived sleep quality.
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.