🌿 Mulberry — The Metabolic Shield for Blood Sugar Control and Cellular Longevity

Introduction: A Nutrient-Dense Botanical for Modern Metabolic Health

Mulberry tree (genus: Morus, species: alba and nigra) is a fast-growing deciduous plant that has been used in traditional Oriental medicine for centuries. This plant is revered as one of the richest sources of plant-based material with a rare combination of benefits, from structural fiber and plant sterols to high levels of vitamin C, K and iron.

The mulberry is exceptionally useful for the modern woman or man: it helps reduce inflammation, maintain energy balance after meals and protect the body from oxidative stress. It is one of those rare superfoods with extremely high bioavailability – your body eagerly absorbs the variety of nutrients it contains.

Natural Dietary Sources of Mulberry

Every part of this remarkable tree is edible and beneficial, but the most common ways to ingest mulberry are:

• Berries — Bursting with antioxidants, they are most commonly dried into sweet snacks or juiced for better cardiovascular function.

• White mulberry leaf powder — The richest in starch-blocking iminosugar DNJ – the active ingredient that decreases after-meal sugar spikes.
• Dried leaves — Steeped into a calming tea that has been used in traditional Chinese and Japanese medicine for centuries to reduce internal heat.
• Root extract — Used in herbalism to prepare special decoctions that improve lung function.

Since leaves contain a high amount of enzyme-blocking ingredients, they are now used in modern medicine to reduce the effect carbohydrates have on blood sugar. If you want to reap the benefits of mulberry, try adding a teaspoon of mulberry leaf powder to your morning smoothie or drinking a warm tea before meals.

Key Mechanisms of Action

1. Blood sugar regulation

The key active ingredient in mulberry leaves is 1-deoxynojirimycin (DNJ), a plant-based iminosugar. DNJ decreases the activity of the enzyme glucosidase, which is responsible for breaking down complex carbohydrates. This mechanism helps the body reduce the amount of sugar released after a meal and decreases the overall impact on the blood sugar level. Moreover, by decreasing peripheral insulin resistance, mulberry improves glucose clearance from the blood.

2. Anti-inflammatory effects

The berries help reduce the negative effects of stress on the body. They contain high amounts of anthocyanins and quercetin – compounds with proven anti-inflammatory properties. Extracts from mulberry leaves help relax the endothelium (the inner lining of blood vessels) and reduce the oxidative stress that damages blood vessels.

3. Cholesterol and triglyceride reduction

Mulberry leaves have been shown to decrease cholesterol and triglyceride levels in a number of clinical trials. They work by helping the liver excrete lipids and reducing cholesterol absorption in the intestines. By inhibiting lipid buildup on the walls of the arteries, mulberry extract helps prevent atherosclerosis.

Bioavailability & Practical Use

The body easily absorbs most nutrients from the mulberry, which makes it one of the easiest superfoods to include in your diet. Here are some practical tips:

• To lower blood sugar: Add a teaspoon of white mulberry powder to your morning smoothie or drink a mug of mulberry leaf tea before meals. The leaf extract will help block some carbs from being digested.
• To reduce cholesterol: Use the mulberry leaves, berries or powder as a dietary supplement.
• Storage: Store your mulberry products in a cool, dark place – away from sunlight. Keep the leaves in glass jars with tight-fitting lids to keep the valuable antioxidants from escaping.

The recommended daily dose of white mulberry extract (leaf) to reduce blood sugar is 1,000 – 3,000 mg per day. This is equivalent to one to three grams of dried leaves steeped into a tea. This amount is supported by multiple clinical studies conducted on humans.

Dosage Recommendations

• Maintenance/antioxidant dose: 1 cup of mulberry leaf tea or 1 tablespoon of dried mulberry berries per day. This dose is good for everyone and helps maintain heart health while giving the body a much-needed dose of antioxidants.
• Therapeutic dose: 500 – 1,000 mg of mulberry leaf extract (standardized to contain at least 1% DNJ) three times per day before meals. This dose is proven to reduce blood sugar levels and help the body manage energy better.
• Skincare boost: Mulberry root extract is a common ingredient in many natural skincare products because it helps lighten up dark spots and even out the skin tone.

Interesting Facts

• Taste: Mulberry leaves do not taste bitter – in fact, they have a light, almost sweet aftertaste. The berries are sweet-tart and have intense flavor that reminds of wild fruits.
• Consistency: Mulberry leaves must be taken regularly to see results. The effects on blood sugar and cholesterol levels are cumulative, meaning they become noticeable after about 8 – 12 weeks of daily use.
• Quality: To obtain the best results, make sure to use organic mulberry supplements. The roots of this plant actively seek out and absorb heavy metals, so it is best to buy your supplements from trusted and reputable growers.

Who Should Be Careful When Taking Mulberry?

• Taking mulberry with blood sugar medications: Since mulberry significantly decreases blood sugar levels, it should not be combined with diabetes medications. This combination can potentially cause hypoglycemia (blood sugar levels that are too low).
• Before surgery: Consult your doctor about discontinuing mulberry extract use at least two weeks before surgery.
• Digestive comfort: When first introducing mulberry to your diet, you may experience gas due to the indigestible carbohydrates.
• Pregnancy: While it is safe to eat mulberry fruit in the first trimester, it is best to avoid any other mulberry products during pregnancy.

Note: This article is for informational purposes and should not replace consultation with a medical professional. Please consult your physician before using any of the information from this article.

Summary

Mulberry is one of those rare superfoods that help the body in numerous ways: from protecting the heart and lowering cholesterol to decreasing blood sugar levels and providing the body with valuable nutrients. Rich in antioxidants, mulberry helps the body fight off the effects of stress and age-related decline. It is a great addition to a healthy and balanced diet. Moreover, it can be easily prepared at home as a tea or used as a powder additive to smoothies or meals.

Current clinical research is exploring other potential benefits mulberry leaves may provide for the human body. Since this plant has been used in traditional medicine for centuries, there may be many more benefits to discover.

📚 References (Mulberry / DNJ / Blood Sugar & Cardiovascular Nutrition)

1. Asano N, Yamashita T, Yasuda K, et al. Polyhydroxylated alkaloids isolated from mulberry trees (Morus alba L.) and their potent inhibitory activity against alpha-glucosidases. Journal of Agricultural and Food Chemistry. 2001;49(9):4208-4213. doi:10.1021/jf010534c
2. Mudra R, Eydbie N, Schwager J, et al. Influence of White Mulberry Leaf Extract on the Glycemic Index of Maltodextrin, Sucrose, and Glucose in Healthy Subjects. Diabetes Care. 2007;30(5):1261-1264. doi:10.2337/dc06-2061
3. Chan KC, Ho HH, Lin MC, et al. Mulberry leaf extract inhibits vascular smooth muscle cell migration involving nitric oxide production and oxidative stress. Journal of Ethnopharmacology. 2010;129(2):202-209. doi:10.1016/j.jep.2010.03.018
4. Yang X, Yang L, Zheng H. Hypoglycemic and hypolipidemic effects of mulberry leaf extract and total flavonoids in clinical research trials. Complementary Therapies in Medicine. 2019;46:119-124. doi:10.1016/j.ctim.2019.07.014
5. Bae SH, Park MY, Cha JY. Review on the nutritional importance and diverse bioactive compounds of black and white mulberries. Food Science and Biotechnology. 2015;24(2):385-394. doi:10.1007/s10068-015-0051-x