NeuroScience Supplements: Which Formula Fits Your Goal

Most NeuroScience formulas look alike on the shelf. TravaCor, TravaGen, Calm CP, Calm PRT, AdreCor. This guide maps each one to its goal and marks where the evidence is thin.

What NeuroScience Supplements Actually Do

Most brands hand you a finished molecule. NeuroScience supplies the precursors and cofactors your body uses to build its own neurotransmitters.

Your body converts tryptophan into serotonin and tyrosine into dopamine [10][13]. Those conversions need B vitamins, folate, vitamin C and minerals, so this line pairs each precursor with its cofactors.

The body keeps control of the conversion. The bottle supplies the inputs.

That is why the doses look modest. Agape Nutrition stocks most of the line, and the brain and memory pillar page covers the wider category.

The Selector Table: Goal to Formula

Prices run from $25.00 to $106.00. The digestion and gut health pillar page covers the gut-focused formulas further down this guide.

Choosing Your Formula by Goal

Calm and Sleep

• Alpha GABA, 90 caps ($39.50): L-theanine 400 mg, ashwagandha as Sensoril 250 mg, B6 as P-5-P.
• Alpha GABA PM, 60 caps ($47.00): adds 5-HTP, valerian, lemon balm and 3 mg melatonin.
• Calm CP, 60 caps ($60.50): phosphatidylserine, banaba leaf at 18% corosolic acid, glycine, taurine.
• Calm PRT, 90 caps ($106.00): rhodiola at 112.5 mg rosavins, glycine, phosphatidylserine.
• Calm G, 90 caps ($69.75): alpha-lipoic acid, CoQ10, L-theanine.

Start with Alpha GABA for winding down at night. Calm CP and Calm PRT target daytime stress.

Mood and Serotonin

• TravaCor, 60 caps ($50.00) or 120 caps ($91.25): 5-HTP, L-theanine, active B6, folate as L-5-MTHF, B12.
• TravaGen, 120 caps ($66.25): swaps 5-HTP for L-tryptophan, which converts more slowly.
• Serene, 60 caps ($42.00): 5-HTP with active B6, folate and vitamin C.
• SeroTrex, 60 chewables ($42.00): L-theanine 200 mg and 5-HTP 60 mg per serving.
• GABA Trex, 60 chewables ($35.00): L-theanine on its own.

If you have never taken 5-HTP, start with TravaGen.

Focus and Dopamine

• Balance D, 60 caps ($40.50): mucuna, L-tyrosine, selenium, vitamin C, B6, folate.
• Focus DL, 60 caps ($25.00): DL-phenylalanine 500 mg per capsule, a precursor to PEA.
• AttenTrex, 60 chewables ($26.00): L-tyrosine 500 mg with vitamin C and B6.

Balance D is the balanced option. Focus DL is the cheapest single-ingredient test.

Energy Under Stress

• AdreCor, 90 caps ($39.50) or 180 caps ($72.75): L-tyrosine, rhodiola, egg, methylfolate, B12, B6 as P-5-P, pantothenic acid, vitamin C, zinc, magnesium. Note the egg if you have an allergy.
• AdreCor with Licorice Root, 90 caps ($42.50): the same formula plus licorice root.
• AdreCor with SAMe, 30 caps ($71.00): SAMe in the Adomet form, L-tyrosine, EGCG, rhodiola, B vitamins.
• ExcitaPlus, 120 caps ($89.25): the manufacturer's label states over three times the L-tyrosine and six times the rhodiola per capsule versus AdreCor, plus mucuna, active folate and B6.

AdreCor is the workhorse of the line. Its SAMe version leans on methylation, the chemistry the detox and methylation pillar page explains.

Gut Brain and Specialty Formulas

• Gut Brain Align, 21 sachets ($49.75): a powder for the gut-brain axis and microbiome.
• Digest DTX, 90 caps ($28.00): botanicals, zinc carnosine, a vegan enzyme blend.
• Daxitrol Essential, 120 caps: NAC, L-phenylalanine, green tea EGCG, 5-HTP, mucuna, coleus forskohlii.
• Avipaxin, 90 caps ($69.50): acetyl-L-carnitine and choline bitartrate. Acetyl-L-carnitine has been reviewed for mood support [15].

The digestion and GI collection carries these, and the specialty support pillar page covers more.

Where the Evidence Is Strong, and Where It Is Thin

Reasonably Supported

• L-tyrosine. Tyrosine hydroxylase converts it into dopamine [13], and a 2026 trial found it improved endurance in mentally fatigued cyclists [14].
• Ashwagandha. A 2019 randomized, double-blind, placebo-controlled trial found a standardized extract significantly reduced scores on a validated clinician-rated measure [7]. A 2021 review supported the direction of that finding but cautioned that variability between extracts prevents consensus on the best preparation or dose [8]. The extract tested was not the one in Alpha GABA.
• Valerian. A 2006 systematic review and meta-analysis found modest evidence for sleep, though it also flagged likely publication bias and methodological problems across the included studies [6].
• Glycine. Reviewed in 2017 for its role in sleep quality and antioxidant chemistry [9]. That is a narrative review, so it describes a mechanism rather than confirming an outcome.

Mixed

Rhodiola. The positive trials are small and use one specific standardized extract, SHR-5 [4][5], reviewed in [3]. The European Medicines Agency's 2012 assessment of rhodiola concluded those trials "exhibit considerable deficiencies in their quality" (EMA/HMPC/232100/2011). The agency accepted only a traditional-use claim for stress symptoms, not evidence of effectiveness. SHR-5 is not the extract in every rhodiola product, and Calm PRT's rhodiola is standardized to a different rosavin specification

L-theanine. A 2007 randomized crossover trial found it reduced subjective and physiological stress markers [1], at doses in the 200 to 400 mg range that Alpha GABA and SeroTrex carry [2]. A 2026 review of L-theanine human trials found the evidence for stress and mood benefits remains mixed and methodologically uneven [18].

5-HTP. The conversion pathway is well understood and reviewed [10][11]. A 2026 randomized controlled trial tested it in adults and found no significant benefit on any measure, with adverse events reported in about 20 percent of the 5-HTP group [12].

Thin

Phosphatidylserine and cortisol. This one is genuinely mixed. Two randomized, placebo-controlled trials found that a soy-derived phosphatidylserine and phosphatidic acid complex blunted the ACTH and cortisol response to a stressor [16][17]. Both tested that specific complex rather than plain phosphatidylserine, and other trials of the ingredient found nothing, so the honest reading is that results depend on the exact material tested.

The 17 percent cortisol figure in Calm CP's copy is the manufacturer's own survey of its own product. It is a label claim, not an independent finding. The same applies to the cortisol result on AdreCor with Licorice Root and the norepinephrine analysis on Calm PRT.

None of this makes the line a bad one. Where the evidence is thin, you are buying a plausible mechanism, not a proven outcome.

Safety: Read This Before You Buy

5-HTP and prescription medication. 5-HTP raises serotonin. Do not combine it with an SSRI, an SNRI or an MAOI unless your prescriber is supervising. Serotonin syndrome has been reported with overdose of serotonin-elevating drugs, and 5-HTP is potentiated by MAO-A inhibitors [10][11].

AdreCor with Licorice Root. Licorice root can raise blood pressure. This formula is not appropriate if you have high blood pressure or take diuretics. Choose plain AdreCor instead.

Alpha GABA PM. Contains melatonin, so it is not for children.

Pregnancy and breastfeeding. Several formulas work on neurotransmitter pathways. Do not use them without clinical guidance [10][11].

Do not stack blindly. TravaCor, Serene, SeroTrex and Daxitrol Essential all contain 5-HTP. If you take prescription medication, are pregnant, or buy for someone under 18, ask a practitioner.

What Practitioner Grade Means Here

The phrase means little until you define it. Here it means three things.

1. Made in the United States under cGMP. This is the manufacturer's own claim, and cGMP is the manufacturing standard the FDA enforces for supplement facilities.
2. Product-specific independent testing for the amounts on the label, and for heavy metals, pesticides and microbes. This too is the manufacturer's own claim. Product-specific matters, because batch testing on a shared line proves less.
3. Two decades in practitioner channels. NeuroScience describes itself as a two-decade old, healthcare provider-trusted brand, and its AdreCor line has been sold since 2003.

Testing is the part you can verify. Ask for a certificate of analysis.

What We Recommend

Four formulas cover the calm and mood goals in this guide. Prices are the live listings at the time of writing.

Frequently Asked Questions

References

1. Kimura K, Ozeki M, Juneja LR, Ohira H. L-Theanine reduces psychological and physiological stress responses. Biological Psychology, 2007. PMID 16930802.
2. Türközü D, Şanlier N. L-theanine, unique amino acid of tea, and its metabolism, health effects, and safety. Critical Reviews in Food Science and Nutrition, 2017. PMID 26192072.
3. Panossian A, Wikman G, Sarris J. Rosenroot (Rhodiola rosea): traditional use, chemical composition, pharmacology and clinical efficacy. Journal of Ethnopharmacology, 2010. PMID 20378318.
4. Darbinyan V, Kteyan A, Panossian A, et al. Rhodiola rosea in stress induced fatigue: a double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty. Phytomedicine, 2000. PMID 11081987.
5. Spasov AA, Wikman GK, Mandrikov VB, et al. A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students caused by stress during an examination period. Phytomedicine, 2000. PMID 10839209.
6. Bent S, Padula A, Moore D, Patterson M, Mehling W. Valerian for sleep: a systematic review and meta-analysis. The American Journal of Medicine, 2006. PMID 17145239.
7. Lopresti AL, Smith SJ, Malvi H, Kodgule R. An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study. Medicine, 2019. PMID 31517876.
8. Speers AB, Cabey KA, Soumyanath A, Wright KM. Effects of Withania somnifera (Ashwagandha) on Stress and the Stress-Related Neuropsychiatric Disorders Anxiety, Depression, and Insomnia. Current Neuropharmacology, 2021. PMID 34254920.
9. Razak MA, Begum PS, Viswanath B, Rajagopal S. Multifarious Beneficial Effect of Nonessential Amino Acid, Glycine: A Review. Oxidative Medicine and Cellular Longevity, 2017. PMID 28337245.
10. Turner EH, Loftis JM, Blackwell AD. Serotonin a la carte: supplementation with the serotonin precursor 5-hydroxytryptophan. Pharmacology & Therapeutics, 2006. PMID 16023217.
11. Maffei ME. 5-Hydroxytryptophan (5-HTP): Natural Occurrence, Analysis, Biosynthesis, Biotechnology, Physiology and Toxicology. International Journal of Molecular Sciences, 2020. PMID 33375373.
12. Jackson E, Riley T, Overton PG. The effect of 5-hydroxytryptophan, a serotonin precursor, on adults with high levels of Attention Deficit Hyperactivity Disorder traits: A randomised, controlled trial. 2026. PMID 42160304.
13. Daubner SC, Le T, Wang S. Tyrosine hydroxylase and regulation of dopamine synthesis. Archives of Biochemistry and Biophysics, 2011. PMID 21176768.
14. Solon-Júnior LJF, Boullosa D, Dias CV, de Sousa Fortes L. Effects of L-Tyrosine Ingestion on Endurance Performance in Mentally Fatigued Cyclists. 2026. PMID 41818465.
15. Kumar R, Hashempour Z, Shahriarirad S, et al. Current Evidence of Acetyl-L-Carnitine Use in Mood Disorders: A Systematic Review and Meta-Analysis. 2026. PMID 42261369.
16. Hellhammer J, Fries E, Buss C, et al. Effects of soy lecithin phosphatidic acid and phosphatidylserine complex (PAS) on the endocrine and psychological responses to mental stress. Stress, 2004. PMID 15512856.
17. Hellhammer J, Vogt D, Franz N, Freitas U, Rutenberg D. A soy-based phosphatidylserine/phosphatidic acid complex (PAS) normalizes the stress reactivity of hypothalamus-pituitary-adrenal-axis in chronically stressed male subjects: a randomized, placebo-controlled study. Lipids in Health and Disease, 2014. PMID 25081826.
18. Cotter J, Kilpatrick HE. Effects of L-theanine on cognition, mood and sleep: evidence from human trials. 2026. PMID 42761839.