Royal Jelly King by Yamada Bee Company — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
20% of ingredients have research evidence

B Label Compliance Grade

Product Label

📄 Open Full PDF View on NIH DSLD →

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

3 Tablet(s) Serving Size

33 Servings

Non-Nutrient/Non-Botanical Product Type

20% Evidence Coverage

Supplement Facts — Evidence Check

Calories

5 Calorie(s)

Total Carbohydrates

1 Gram(s) (1% DV)

Calcium

60 mg (5% DV)

Zinc

3 mg (27% DV)

✅ Within RDA (0.3× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 3mg UL 40mg

Royal Jelly powder

803 mg

📊 Market median: 303.0mg (42 products)

This product: 803mg

Other Ingredients

Erythritol Bakers Yeast Protein Soy Isoflavone extract Calcium Carbonate Cellulose Locust Bean Gum Arabic Gum Hydroxypropyl Methycellulose Glycerin Silicon Dioxide Calcium Stearate Carnauba Wax

Label Claims — Verification

❓ All Other

❓ Structure/Function

All Other (100% of products) Structure/Function (58% of products) Nutrient (21% of products) Qualified Health (2% of products)

Target Groups

Menopause

Product Information

📋 Directions for Use

Directions: For adults take 3 tablets in a day with water.

⚠️ Warnings & Precautions

Contains: Soy

Caution: Bee products may cause an allergic reaction if symptoms rash, redness, itchiness, difficulty breathing, exists discontinue use and seek immediate medical attention.

Persons with an asthma condition do not use. Zinc may block copper absorption. Do not exceed the recommended three tablets per day. This product does not cure diseases or improve health with excessive intake.

Keep out reach of infants and children.

Warning: If you are pregnant or breast-feeding, have health conditions, or taking other medications, ask health professional before use.

Report adverse health events to: The Food and Drug Administration (FDA)

🧪 Formulation Notes

Health Claim: Royal Jelly King helps support various conditions associated with menopause including cramps and mild mood changes.

Product of Japan

Additional Information

Yamada Bee Farm The gifts of nature for better health No.333 100

Storage: Please avoid direct sunlight, high temperature and humidity. Store in a cool place.

Product Details

DSLD Entry Date 2021-01-22

Product Type Non-Nutrient/Non-Botanical

Form Tablet or Pill

Brand Yamada Bee Company

DSLD ID 242224

Data Updated 2026-04-11

Research Evidence

10 Research Sources

42 Avg Quality Score

5 Rct

4 Other

1 Meta Analysis

B Royal jelly for management of postmenopausal symptoms: a systematic review and meta-analysis

Meta Analysis Menopause (New York, N.Y.) 2026

PubMed DOI

C A Randomized, Double-Blind Comparison Study of Royal Jelly to Augment Vascular Endothelial Function in Healthy Volunteers

Rct Journal of atherosclerosis and thrombosis 2022

PubMed DOI

C Apitherapy with Royal Jelly and Green Propolis EPP-AF® Improves Cardiovascular Risk Markers in Patients Undergoing Hemodialysis

Rct Toxins 2025

PubMed DOI

C Effect of Protease-Treated Royal Jelly Extract on Facial Wrinkles: A Placebo-Controlled, Double-Blind, Parallel-Group Study

Rct Journal of cosmetic dermatology 2025

PubMed DOI

C Royal jelly plus coenzyme Q10 supplementation improves high-intensity interval exercise performance via changes in plasmatic and salivary biomarkers of oxidative stress and muscle damage in swimmers: a randomized, double-blind, placebo-controlled pilot trial

Rct Journal of the International Society of Sports Nutrition 2022

PubMed DOI

C The effect of oral royal jelly administration on skin barrier function: a double-blind randomized placebo-controlled trial

Rct European journal of dermatology : EJD 2018

PubMed DOI

C Major royal jelly proteins prevents NAFLD by improving mitochondrial function and lipid accumulation through activating the AMPK / SIRT3 pathway in vitro

Other Journal of food science 2021

PubMed DOI

D Royal jelly reduces the serum glucose levels in healthy subjects

Other Journal of medicinal food 2009

PubMed DOI

D Greek-origin royal jelly improves the lipid profile of postmenopausal women

Other Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology 2016

PubMed

D Royal jelly protects against ultraviolet B-induced photoaging in human skin fibroblasts via enhancing collagen production

Other Journal of medicinal food 2011

PubMed DOI

View all evidence for Royal Jelly →