1 Product identity
Ingredient risk
2 ingredients to use with caution

Amino Acid Synergy

BrandDesigns for HealthOther Combinations Capsule 13 ingredients 2 caution DSLD #22323
Net contents: 120 Vegetarian Capsule(s)
Target: Adults and Children 4 years and above
DSLD entry: 2013-06-25
2 Ingredients (13)
IngredientGroupSafety
Vitamin B-6Vitamin B6 (pridoxal 5-phosphate)Use with Caution
L-HistidineHistidine
L-LeucineLeucine
Alpha-KetoglutarateAlpha-Ketoglutarate
L-ArginineArginine
L-LysineLysine
L-PhenylalaninePhenylalanine
L-ValineValine
L-IsoleucineIsoleucine
L-MethionineMETHIONINE
L-ThreonineTHREONINE
Microcrystalline CelluloseCellulose
Vegetable StearateMagnesium stearateUse with Caution
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ Use with caution — restricted in some markets
Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…
Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
3 Safety cross-reference
Vitamin B6 — Use with Caution
L-Leucine — Limited Evidence
⚠ May worsen pellagra
⚠ High doses may impair glucose metabolism
L-Arginine — Limited Evidence
⚠ Hypotension
⚠ May worsen herpes outbreaks
L-Lysine — Limited Evidence
⚠ GI discomfort at high doses
⚠ May increase calcium absorption
L-Phenylalanine — Limited Evidence
⚠ Dangerous in PKU
⚠ May raise blood pressure
L-Methionine — Limited Evidence
⚠ Raises homocysteine levels
⚠ May promote tumor growth
Magnesium — Use with Caution
4 Label claims
• All Other
5 Data source
DSLD ID22323
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2013-06-25
6 More from Designs for Health
View Designs for Health Safety Scorecard → 261 products
5-HTP Supreme5-HTP Synergy7-KetoAcetyl L-CarnitineAcnutrolAdrenal Complex
7 Cite this page
Vancouver
Pkhakadze G. Amino Acid Synergy — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 25]. Available from: https://supplement.ge/products/amino-acid-synergy-22323/
CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.
GP
Analyzed by SupplementIndex
PHIG · Editor-in-Chief: Prof. Giorgi Pkhakadze, MD, MPH, PhD
Product data sourced from the NIH Dietary Supplement Label Database (DSLD). Safety cross-referencing by SupplementIndex. This analysis is for informational purposes only. For corrections: info@accreditation.ge.
Publisher: PHIG