# Saskatoon Berry (Amelanchier alnifolia)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/saskatoon-berry
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-31
**Evidence Score:** 2 / 10
**Category:** Fruit
**Also Known As:** Amelanchier alnifolia, Serviceberry, Juneberry, Shadbush, Chuckley pear, Sugar pear, Indian pear, Pacific serviceberry, Western serviceberry, Alder-leaved serviceberry, Pigeon berry

## Overview

Saskatoon berry (Amelanchier alnifolia) is a North American superfruit rich in anthocyanins, chlorogenic acid, and quercetin, which modulate glucose metabolism and [oxidative stress](/ingredients/condition/antioxidant) pathways. These polyphenols inhibit alpha-glucosidase and improve [insulin sensitivity](/ingredients/condition/weight-management), supporting blood sugar regulation and [cardiovascular](/ingredients/condition/heart-health) function.

## Health Benefits

• Blood sugar control: Animal studies show 17-41% reductions in [blood glucose](/ingredients/condition/weight-management) levels in diabetic mice (preliminary evidence)
• Weight management: Normalized body weight and reduced adiposity in high-fat diet rat models (preliminary evidence)
• [Cardiovascular health](/ingredients/condition/heart-health): Reduced systolic blood pressure, cardiac fibrosis, and improved heart structure in rats (preliminary evidence)
• [Anti-inflammatory](/ingredients/condition/inflammation) effects: Decreased TNF-α, MCP-1, and PAI-1 inflammatory markers in mouse models (preliminary evidence)
• [Gut microbiome](/ingredients/condition/gut-health) modulation: Improved Firmicutes/Bacteroidetes ratio and increased beneficial S24-7 bacteria family (preliminary evidence)

## Mechanism of Action

Saskatoon berry's anthocyanins — primarily cyanidin-3-galactoside and cyanidin-3-glucoside — inhibit alpha-glucosidase and alpha-amylase enzymes, slowing intestinal carbohydrate absorption and blunting postprandial glucose spikes. Chlorogenic acid activates AMP-activated protein kinase (AMPK), enhancing glucose uptake in skeletal muscle and reducing hepatic gluconeogenesis. Quercetin and other flavonoids suppress [NF-κB](/ingredients/condition/inflammation) signaling and reduce oxidative LDL modification, contributing to the berry's observed antihypertensive and cardioprotective effects.

## Clinical Summary

Evidence for Saskatoon berry is currently limited to preclinical animal models, with no published randomized controlled trials in humans as of 2024. Diabetic mouse studies using berry extracts demonstrated [blood glucose](/ingredients/condition/weight-management) reductions of 17–41% compared to untreated controls, a meaningful but preliminary finding. High-fat diet rat models showed normalized body weight, reduced visceral adiposity, and improved lipid profiles following berry extract supplementation. Systolic [blood pressure](/ingredients/condition/heart-health) reductions have been observed in rodent cardiovascular models, though human dosing, bioavailability, and efficacy remain unestablished and require clinical investigation.

## Nutritional Profile

Per 100g fresh berries: Calories ~74 kcal, Carbohydrates ~17.4g (sugars ~12.8g, primarily fructose and glucose), Dietary fiber ~3.3-4.7g (soluble and insoluble fractions), Protein ~0.8-1.3g, Fat ~0.6-1.1g. Key minerals: Iron ~1.9-2.1mg (notably high for a fruit, though non-heme iron with moderate bioavailability enhanced by co-present vitamin C), Calcium ~29mg, Potassium ~162-195mg, Magnesium ~19mg, Manganese ~0.6-1.1mg, Copper ~0.09mg, Zinc ~0.42mg, Phosphorus ~28mg. Vitamins: Vitamin C ~3.7-8.2mg (some loss post-harvest), Vitamin E ~0.4mg (alpha-tocopherol), Vitamin K ~7.1mcg, Riboflavin (B2) ~0.05mg, Niacin (B3) ~0.5mg. Bioactive compounds: Total anthocyanins ~282-589mg/100g fresh weight (primary pigments: cyanidin-3-galactoside dominant at ~40-60% of total anthocyanins, followed by cyanidin-3-glucoside, cyanidin-3-arabinoside, and delphinidin derivatives); Total polyphenols ~600-900mg GAE/100g fresh weight; Chlorogenic acid ~50-120mg/100g; Quercetin glycosides ~15-35mg/100g; Epicatechin and catechin ~20-55mg/100g combined; Rutin ~8-14mg/100g. Proanthocyanidins (condensed tannins) present at ~120-250mg/100g. Carotenoids modest (~85-150mcg/100g total). Bioavailability notes: Anthocyanin bioavailability is relatively low systemically (~1-5% absorbed intact) but [gut microbiome](/ingredients/condition/gut-health) [metabolism](/ingredients/condition/weight-management) produces bioactive phenolic acid metabolites (protocatechuic acid, ferulic acid) that extend biological activity; iron absorption estimated 5-12% due to non-heme form, but co-present ascorbic acid and absence of high tannin interference at typical serving sizes may moderately enhance uptake; fiber fraction includes pectin contributing to viscosity and cholesterol-binding capacity.

## Dosage & Preparation

Animal studies used whole fruit powder at 5% w/w in mouse diets (4-15 weeks) and 26.83 g/kg diet in rats (equivalent to ~8 mg/kg/day cyanidin glucoside for 8 weeks). No human dosage data is available. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Saskatoon berry consumed as a whole food is generally regarded as safe and has a long history of dietary use among Indigenous North American populations. Because its polyphenols — particularly chlorogenic acid and quercetin — may potentiate the glucose-lowering effects of metformin, insulin, or sulfonylureas, individuals on antidiabetic medications should monitor [blood glucose](/ingredients/condition/weight-management) closely if supplementing. Quercetin can inhibit CYP3A4 and P-glycoprotein enzyme activity, potentially altering the metabolism of drugs including statins, cyclosporine, and certain anticoagulants. Safety during pregnancy and lactation has not been formally studied for concentrated extracts, so whole-fruit consumption is preferable to high-dose supplements in these populations.

## Scientific Research

Research on Saskatoon berry is limited to preclinical animal models with no human randomized controlled trials identified. Key studies include rat models (16-week trials with 26.83 g/kg diet) showing metabolic improvements and mouse studies (4-15 weeks with 5% w/w berry powder) demonstrating [blood glucose](/ingredients/condition/weight-management) reductions and [gut microbiome](/ingredients/condition/gut-health) changes. No PMIDs were provided in the available research dossier.

## Historical & Cultural Context

Saskatoon berry is noted as native to Canadian First Nations and Métis communities, where it may have supported populations with high diabetes and cardiometabolic risks. Modern research positions it as a functional food rather than a formalized traditional remedy, though specific historical medicinal uses were not detailed in available sources.

## Synergistic Combinations

Bilberry, Cinnamon extract, Chromium picolinate, Alpha-lipoic acid, [Probiotic](/ingredients/condition/gut-health)s

## Frequently Asked Questions

### How much does Saskatoon berry lower blood sugar?

In diabetic mouse models, Saskatoon berry extract produced blood glucose reductions of 17–41% compared to untreated diabetic controls, depending on dose and extract concentration. This effect is attributed to alpha-glucosidase inhibition by cyanidin-based anthocyanins and AMPK activation by chlorogenic acid. No human clinical trials have confirmed these specific reductions, so these figures cannot yet be extrapolated to human supplementation.

### What are the main antioxidants in Saskatoon berries?

Saskatoon berries are particularly rich in cyanidin-3-galactoside and cyanidin-3-glucoside (anthocyanins), chlorogenic acid (a hydroxycinnamic acid), quercetin, and epicatechin. Their total polyphenol content is comparable to or exceeds that of blueberries on a per-gram basis in several analyses. These compounds collectively scavenge reactive oxygen species and reduce lipid peroxidation markers in preclinical studies.

### Can Saskatoon berry supplements help with weight loss?

Animal studies using high-fat diet rat models found that Saskatoon berry extract normalized body weight gain and reduced visceral adiposity, likely through AMPK activation and reduced lipid absorption. However, no human weight-loss trials exist for this ingredient, and the effective doses in rodent studies do not directly translate to human recommendations. It may complement a healthy diet but should not be relied upon as a standalone weight-management intervention.

### Are Saskatoon berries safe to take with diabetes medication?

Saskatoon berry polyphenols have demonstrated blood glucose-lowering activity via alpha-glucosidase inhibition and AMPK activation, which could additively lower blood sugar when combined with metformin, insulin, or sulfonylureas. This raises a potential risk of hypoglycemia, particularly with concentrated extracts. Individuals managing diabetes with medication should consult a healthcare provider and monitor blood glucose carefully before adding Saskatoon berry supplements to their regimen.

### How does Saskatoon berry compare to blueberries nutritionally?

Saskatoon berries contain a comparable or higher concentration of total anthocyanins relative to highbush blueberries, with cyanidin-3-galactoside being the dominant anthocyanin versus malvidin derivatives more prevalent in blueberries. Saskatoon berries also provide notably higher levels of chlorogenic acid and are a good source of iron, manganese, and dietary fiber. Both fruits share cardioprotective and antidiabetic polyphenol profiles, but Saskatoon berry research remains far less advanced than the extensive human clinical literature on blueberries.

### What is the best form of Saskatoon berry supplement—powder, extract, or whole berry?

Saskatoon berry extracts standardized for anthocyanin content offer concentrated polyphenols in smaller doses, while powders retain whole-food fiber and additional nutrients but require larger serving sizes. Whole frozen or fresh berries provide the complete nutrient profile with natural food synergies, though they're less convenient for supplementation. Clinical studies on blood sugar and cardiovascular outcomes have primarily used standardized extracts, suggesting this form may deliver more predictable bioactive doses.

### Is Saskatoon berry safe during pregnancy and breastfeeding?

Limited human safety data exists for Saskatoon berry supplementation during pregnancy and breastfeeding, though the berries are traditionally consumed as food in Indigenous populations. Pregnant and nursing individuals should consult their healthcare provider before using concentrated supplements, as animal studies focused on metabolic effects don't address reproductive safety. Whole berries in normal food amounts are generally considered safe, but concentrated extracts warrant professional guidance.

### How strong is the current clinical evidence for Saskatoon berry's health benefits in humans?

Most evidence for Saskatoon berry comes from animal models (rats and mice) showing blood glucose reduction, weight management, and cardiovascular improvements, which represents preliminary but not proven human efficacy. Human clinical trials are limited, with no large-scale randomized controlled studies published to date, making it difficult to establish definitive dosing or effectiveness in people. The ingredient shows promise as a functional food but requires robust human research before making strong therapeutic claims.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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