Gut dysbiosis at age 1 precedes ADHD diagnosis by years — the first prospective evidence for a causal microbiome→ADHD pathway (Ahrens et al., 2024, n=16,440). Adults with ADHD show reduced SCFA-producing bacteria and elevated inflammatory species. Stimulant medications may further reduce microbial diversity. Probiotics show modest benefit in RCTs (SMD ~0.24), optimal duration 8 weeks. A healthy Mediterranean-style diet outperformed elimination diets in the largest trial (51% vs 35% improvement). Prioritize diet over supplements; probiotics are adjunctive.
20 sources 3/4 moderate updated 2026-04-15 jroh.cz
73–78% of adults with ADHD have delayed sleep-wake cycles with melatonin onset ~90 minutes later than controls. This isn't just comorbidity — emerging evidence frames ADHD as partly a circadian rhythm disorder. The Delphi consensus protocol: 0.5mg immediate-release melatonin taken 3 hours before habitual sleep onset, advancing by 1 hour weekly for 3–4 weeks. Counterintuitively, stimulant medications may improve (not worsen) sleep quality by reducing pre-sleep rumination.
22 sources 4/4 strong updated 2026-04-15 jroh.cz
Adults with ADHD show consistent deficits in iron (ferritin <30 ng/mL in 84%), vitamin D (6.5 ng/mL lower), zinc, and magnesium. Supplementing these deficiencies produces measurable symptom improvements — particularly ferritin optimization (target >50 ng/mL), vitamin D (4000 IU/day), and zinc (15–30mg). L-tyrosine shows no benefit and develops tolerance. Screen for deficiencies before supplementing; prioritize iron and vitamin D testing.
28 sources 3/4 moderate updated 2026-04-15 jroh.cz
80.5% of women with ADHD report symptoms affected by hormonal changes; 68.2% worsen premenstrually, 55.9% during perimenopause. Women are diagnosed 3.5 years later on average, and 70% receive antidepressants before any ADHD diagnosis. The estrogen-dopamine axis explains cyclical symptom fluctuations: high estrogen (follicular phase) improves dopamine signaling, low estrogen (late luteal, postpartum, menopause) worsens ADHD. Evidence for cyclical medication adjustment is preliminary but 70% of women who self-adjusted reported benefit.
24 sources 3/4 moderate updated 2026-04-15 jroh.cz
A seven-compound nutraceutical protocol (Omega-3 EPA ≥60%, Saffron 30mg, SAM-e, L-Methylfolate, Zinc, Curcumin+piperine, Magnesium glycinate) has demonstrated adjunctive efficacy for anxiety and depression across multiple RCTs and meta-analyses. Omega-3 EPA (≥1g/day) reduces depressive symptoms with effect size d≈0.61 in meta-analysis; Saffron 30mg/day matches fluoxetine 20mg in multiple head-to-head RCTs (n=40–60 per study). SAM-e (800–1600mg) and L-Methylfolate (15mg) show strong evidence specifically as SSRI augmentation. This protocol is intended as an adjunct to, not replacement for, standard psychiatric care.
22 sources 4/4 strong updated 2026-04-15 jroh.cz
Postpartum brain fog is neurobiologically real — pregnancy reshapes gray matter in regions governing social cognition, and these changes persist for at least two years (Hoekzema et al., 2017). Unlike PPD (where EPA-dominant omega-3 and mood support are primary), cognitive recovery emphasizes DHA repletion for structural brain support, Magnesium L-Threonate for synaptic plasticity, and B-vitamins to restore the methylation cycle depleted by pregnancy. Sleep deprivation is the #1 driver of postpartum cognitive impairment — supplements support recovery but cannot substitute for sleep intervention. Meaningful cognitive improvement typically emerges at 6–12 weeks with consistent DHA + MgT supplementation alongside sleep optimization.
16 sources 3/4 moderate updated 2026-04-15 jroh.cz
Evidence-based cognitive enhancement is achievable without high-risk compounds. The safety-first stack prioritizes compounds with ≥2 human RCTs, no significant dependency risk, and well-characterized safety profiles: L-Theanine + caffeine (gold standard for acute focus), Bacopa monnieri (12-week memory consolidation), Magnesium L-Threonate (sleep and synaptic plasticity), and Rhodiola rosea (anti-fatigue). Alpha-GPC and Citicoline are effective cholinergic precursors, with Citicoline preferred if TMAO concerns are relevant. NACET shows promise but lacks sufficient direct human RCT evidence to fully recommend — NAC's established evidence partially supports its use.
18 sources 3/4 moderate updated 2026-04-15 jroh.cz
Creatine monohydrate at 3–5g/day saturates muscle stores in 3–4 weeks; loading (20g/day for 5–7 days) accelerates this. For larger individuals (90kg+), 5–10g/day maintenance may be optimal. Cognitive benefits are strongest in sleep-deprived individuals, vegetarians, and older adults. Safety data supports doses up to 30g/day long-term with no adverse effects on kidney or liver function.
24 sources 4/4 strong updated 2026-04-15 jroh.cz
Natural interventions for attention and focus show modest but real effects — especially for non-diagnosed 'brain fog' and subclinical attention difficulties. For clinically diagnosed ADHD, medication (stimulants or atomoxetine) remains the gold standard with the strongest evidence; natural compounds are best used as adjuncts or in cases where medication is declined. The strongest-evidenced natural interventions are: Magnesium (especially in those who are deficient), L-Theanine + low-dose caffeine (best acute focus combo), Omega-3 fatty acids EPA-dominant (particularly in children), and NAC for impulsivity. Effect sizes are consistently smaller than pharmaceutical interventions.
10 sources 3/4 moderate updated 2026-04-15 jroh.cz
The gut-brain axis is a real, bidirectional communication system — but the psychobiotic field suffers from a critical strain-specificity problem: evidence for one strain cannot be extrapolated to another, even within the same species. The strongest human RCT evidence comes from L. rhamnosus HN001 (perinatal mood, OR 0.44), B. longum NCC3001 (IBS-related depression with fMRI confirmation), and multi-strain combinations. Omega-3 and inositol provide complementary mechanisms. This protocol layers interventions by evidence strength across 3 phases, with dietary change as the non-negotiable foundation.
7 sources 3/4 moderate updated 2026-04-15 jroh.cz
The strongest human evidence for longevity supplementation sits with NMN/NR (proven to raise NAD+ in blood; unclear if this translates to lifespan), GlyNAC (glycine + NAC, solid RCT data showing reversal of multiple aging hallmarks), and Taurine (declining with age in humans, though causal role unproven). Fisetin and Quercetin are promising senolytics in early-phase human trials only — not ready for confident recommendation. Resveratrol's sirtuin narrative has largely failed to replicate in humans. The honest bottom line: sleep, exercise, and diet likely outperform all of these supplements combined; the stack below is a reasonable low-risk addition for adults who understand the limitations.
19 sources 3/4 moderate updated 2026-04-15 jroh.cz
For women unwilling or unable to use HRT, a targeted nutraceutical stack — anchored by magnesium bisglycinate, omega-3 fatty acids, and vitamin D3+K2 — offers moderate evidence for reducing vasomotor symptoms, improving sleep quality, and stabilizing mood during the menopausal transition. Maca (Lepidium meyenii) shows promising evidence for FSH/LH modulation and hot flash reduction, particularly in early postmenopausal women. DIM (diindolylmethane) may support favorable estrogen metabolism ratios but direct symptom evidence remains limited; it requires caution in women with estrogen-sensitive conditions. No supplement replaces HRT for severe vasomotor symptoms — be honest about that limit.
16 sources 3/4 moderate updated 2026-04-15 jroh.cz
Postpartum depletion is near-universal: >50% of women enter the postpartum period iron-deficient, with ferritin commonly <30 μg/L; optimal target is >50 μg/L for symptom resolution. Vitamin D deficiency affects 40–80% of new mothers and requires 2000–4000 IU/day for repletion. DHA depletion at delivery averages 48–50% vs. pre-pregnancy levels and directly correlates with mood and cognitive performance. A phased 6–12 month protocol combining iron + D3/K2 + magnesium glycinate + B12/methylfolate + omega-3 DHA/EPA resolves the majority of postpartum fatigue, brain fog, and telogen effluvium within 3–6 months.
18 sources 4/4 strong updated 2026-04-15 jroh.cz
The strongest evidence-based sleep supplement stack centers on four compounds: Magnesium glycinate (300–400 mg, 60–90 min before bed) modulates GABA and lowers cortisol for deeper NREM; Glycine (3 g, 30–60 min before bed) reduces core body temperature via NMDA receptors in the SCN, shortening sleep latency and improving slow-wave sleep; L-Theanine (100–200 mg, 30–60 min before bed) induces alpha-wave activity for calm, non-sedating relaxation; and low-dose Melatonin (0.3–0.5 mg, 90–120 min before bed) resets circadian timing without grogginess. Apigenin (50 mg from chamomile extract) is a reasonable addition for anxiolytic GABA-A modulation, though most RCT evidence is for chamomile extract rather than isolated apigenin. Use this stack for sleep onset + deep sleep quality; morning refresh comes primarily from consistent sleep timing and avoiding high-dose melatonin.
12 sources 4/4 strong updated 2026-04-15 jroh.cz
Burnout and chronic stress are distinct from acute stress and require fundamentally different interventions — adaptogens modulate HPA axis dysregulation rather than simply suppressing it. The strongest human evidence supports Ashwagandha KSM-66 (cortisol ↓27.9% in 8-week RCT, n=272) and Rhodiola SHR-5 extract (only adaptogen with a dedicated burnout RCT showing fatigue reversal). Timing matters critically: Rhodiola in the morning for HPA normalization, Ashwagandha and Magnesium in the evening for cortisol lowering. Supplements are supportive — lifestyle (sleep, exercise timing, nature exposure) is the primary intervention; without it, adaptogens provide marginal benefit.
15 sources 3/4 moderate updated 2026-04-15 jroh.cz
Systematic supplementation targeting nutrient deficiencies can significantly reduce PPD risk. Key interventions: omega-3 (EPA-dominant, 2-3g/day), ferritin optimization (>50 μg/L), vitamin D (4000-6000 IU), magnesium glycinate (300-600mg), and L. rhamnosus HN001 probiotic. A three-phase protocol (prenatal → critical postpartum → extended) addresses the neurobiological cascade triggered by postpartum hormone collapse.
47 sources 4/4 strong updated 2026-04-13 jroh.cz