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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your healthcare provider before using herbs, especially if you are pregnant, nursing, taking medications, or have a medical condition.
What are the active compounds in amaranth and how do they work?
Amaranth exerts its medicinal effects through a rich profile of bioactive compounds, including squalene, rutin, quercetin, and amaranthine. These constituents provide potent antioxidant activity, helping to neutralize free radicals and reduce oxidative stress. The flavonoids, particularly rutin and quercetin, contribute to anti-inflammatory effects by modulating inflammatory pathways. Additionally, the high-quality protein content supports tissue repair and cardiovascular function. Evidence Level: C/Traditional.
Does amaranth interact with any prescription medications?
Currently, there are no known drug interactions associated with amaranth when consumed at standard dietary doses. Because amaranth is primarily a nutritious food source, it poses minimal risk of interfering with pharmaceuticals. However, due to its potential cardiovascular benefits and nutrient density, individuals taking anticoagulants or blood pressure medications should consult a healthcare provider before consuming therapeutic doses beyond normal culinary amounts. Evidence Level: C.
How much amaranth should I eat daily for health benefits?
The recommended adult dosage for amaranth seeds is 30-50 grams daily, typically consumed as a cooked grain or flour in food. The leaves can be eaten freely as a vegetable, similar to spinach. This amount provides sufficient nutrients to act as a nutritive tonic without adverse effects. It is advisable to incorporate it gradually into the diet to assess individual tolerance. Evidence Level: Traditional.
Is amaranth safe to eat during pregnancy?
Yes, amaranth is considered safe for consumption during pregnancy when eaten in normal food amounts. It is a traditional food source rich in essential nutrients like iron, protein, and folate, which are beneficial for pregnant women. No contraindications are known at standard food doses. As with any dietary change during pregnancy, consult a healthcare professional before consuming concentrated extracts or therapeutic doses. Evidence Level: Traditional.
What are the main health benefits of eating amaranth?
Amaranth is primarily used as a nutritive tonic and for cardiovascular support. It possesses significant antioxidant and anti-inflammatory activity attributed to compounds like squalene and rutin. Traditional use includes managing digestive conditions and improving overall vitality. While it is an excellent source of plant-based protein, clinical evidence is currently limited (Evidence Level C), though it is widely valued as a functional food.
PubMed-compiled information sheet
This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.
Compiled from 30 PubMed articles · model: gemma4:31b
Summary
Amaranth (Amaranthus hybridus) is a climate-resilient, nutrient-dense pseudocereal and vegetable crop with potential antioxidant and pharmacological activities [PMID:35739986, PMID:35206094].
Background
Amaranthus hybridus, also known as slim amaranth or quelite, is a C4 photosynthetic herbaceous plant and agronomically important species [PMID:32835372, PMID:35739986]. It is considered a pseudo-cereal crop that is genetically diverse and phenotypically plastic [PMID:35551526, PMID:17511467].
Traditional uses
Amaranth species have been used by pre-Columbian cultures for 6,000 to 8,000 years [PMID:33101347] and are Andean staples in Colombia, Ecuador, Peru, Bolivia, northern Argentina, and Chile, where they have ethnopharmacological uses including anticancer applications [PMID:38139854].
Active compounds
A. hybridus leaves contain total flavonoids, total polyphenols, betalains, betaxanthins, and betacyanins [PMID:35739986]. Other bioactive compounds found in the genus include phenolic acids, carotenoids, alkaloids, terpenoids, saponins, peptides, squalene, tocopherols, and vitamins [PMID:38139854, PMID:40361686].
Mechanism of action
Amaranth storage proteins contain encrypted sequences that, when released, may inhibit enzymes of the Renin-Angiotensin-Aldosterone system, specifically Angiotensin Converting Enzyme (ACE) and Renin [PMID:33101 la347].
Amaranth may decrease total cholesterol and low-density lipoprotein cholesterol in animal models; it is reviewed as a potential adjunct to improve cardiovascular risk profiles [PMID:31757630, PMID:38603555].
Evidence DMalnutrition
In a mouse model, maize toast enriched with 10% Amaranthus hybridus (quelite) flour was evaluated for nutritional rehabilitation following food restriction [PMID:40971017].
Evidence DFungal Infections (In Vitro)
Leaf extracts of A. hybridus inhibited the growth of Fusarium equiseti, Rhizoctonia solani, and Trichoderma harzianum [PMID:37111946].
Evidence CDiabetes
Phytochemicals and extracts of amaranth are reported to have antidiabetic potential [PMID:38603555].
Safety & adverse effects
Amaranth contains antinutritional factors such as oxalates, which can lower calcium and magnesium availability and are potential risk factors for kidney stone development [PMID:17511467]. Other antinutrients mentioned include nitrates and saponins [PMID:41694082].
Evidence summary
The evidence is primarily based on in vitro studies, animal models, and literature reviews (Levels C and D). There is a lack of high-level human clinical trial data (Level B) or meta-analyses (Level A) in the provided set.
PubMed sources
1.PMID: 24254720 (1992) — Allelopathy ofSasa cernua. · Journal of chemical ecology
2.PMID: 32835372 (2020) — Draft Genomes of Amaranthus tuberculatus, Amaranthus hybridus, and Amaranthus palmeri. · Genome biology and evolution
3.PMID: 33101347 (2020) — Amaranth as a Source of Antihypertensive Peptides. · Frontiers in plant science
4.PMID: 17511467 (2007) — Oxalate in grain amaranth. · Journal of agricultural and food chemistry
5.PMID: 25831476 (2017) — Structures, physicochemical properties, and applications of amaranth starch. · Critical reviews in food science and nutrition
6.
Government sources
No direct government monograph is available for this herb. The content below is AI-generated and has not been verified against an authoritative government source. Use the search links to check official sources before relying on this information.
— Antifungal Potency of Amaranth Leaf Extract: An In Vitro Study.
· Plants (Basel, Switzerland)
7.PMID: 35739986 (2022) — Characterization of Phytochemicals, Nutrients, and Antiradical Potential in Slim Amaranth. · Antioxidants (Basel, Switzerland)
8.PMID: 31757630 (2019) — Amaranth as a potential dietary adjunct of lifestyle modification to improve cardiovascular risk profile. · Nutrition research (New York, N.Y.)
9.PMID: 32430681 (2020) — Agrobacterium rhizogenes-mediated transformation of grain (Amaranthus hypochondriacus) and leafy (A. hybridus) amaranths. · Plant cell reports
10.PMID: 35206094 (2022) — The Dual Nature of Amaranth-Functional Food and Potential Medicine. · Foods (Basel, Switzerland)
11.PMID: 38139854 (2023) — Chenopodium quinoa Willd. and Amaranthus hybridus L.: Ancestral Andean Food Security and Modern Anticancer and Antimicrobial Activity. · Pharmaceuticals (Basel, Switzerland)
12.PMID: 35108086 (2022) — Internalization of Salmonella in Leafy Greens and Impact on Acid Tolerance. · Applied and environmental microbiology
13.PMID: 28477232 (2018) — Cytogenetic characterization of Amaranthus caudatus L. and Amaranthus hybridus subsp. cruentus (L.) Thell. · Cytotechnology
14.PMID: 40971017 (2025) — Maize Toast Enriched with Quelite Flour (Amaranthus hybridus) as an Alternative for Malnutrition in a Mouse Model. · Plant foods for human nutrition (Dordrecht, Netherlands)
15.PMID: 38603555 (2024) — Therapeutic Effects of Amaranth: Analysis of the Antidiabetic Potential of the Plant. · Journal of medicinal food
16.PMID: 36835680 (2023) — A Review of Insect Pest Management in Vegetable Crop Production in Nigeria. · Insects
17.PMID: 35852982 (2022) — [Amaranth grain proteins: prospects for use in specialized food products]. · Voprosy pitaniia
18.PMID: 35161392 (2022) — Identification of Weed-Suppressive Tomato Cultivars for Weed Management. · Plants (Basel, Switzerland)
19.PMID: 40361686 (2025) — Prospects for the Use of Amaranth Grain in the Production of Functional and Specialized Food Products. · Foods (Basel, Switzerland)
20.PMID: 30307006 (2018) — Emerging opportunities in exploring the nutritional/functional value of amaranth. · Food & function
21.PMID: 35551526 (2022) — Genetic diversity analysis and marker-trait associations in Amaranthus species. · PloS one
22.PMID: 38091781 (2024) — Amaranth proteins: From extraction to application as nanoparticle-based delivery systems for bioactive compounds. · Food chemistry
23.PMID: 38592842 (2024) — Genome-Wide Comparative Analysis of Five Amaranthaceae Species Reveals a Large Amount of Repeat Content. · Plants (Basel, Switzerland)
24.PMID: 37448872 (2023) — Amaranth Genomic Resource Database: an integrated database resource of Amaranth genes and genomics. · Frontiers in plant science
25.PMID: 31599971 (2019) — Effect of the Incorporation of Amaranth (Amaranthus Mantegazzianus) into Fat- and Cholesterol-Rich Diets for Wistar Rats. · Journal of food science
26.PMID: 39204636 (2024) — Amaranth Plants with Various Color Phenotypes Recruit Different Soil Microorganisms in the Rhizosphere. · Plants (Basel, Switzerland)
27.PMID: 42062397 (2026) — Ecological study on alien Amaranthus spinosus L. in the Egyptian Nile Valley. · Scientific reports
28.PMID: 41694082 (2026) — Amaranth as a sustainable feed resource for livestock. · Veterinary and animal science