1 Product identity
Ingredient risk
No flagged ingredients
Natto-Serra
BrandDoctor's Best→Non-Nutrient/Non-Botanical Capsule 5 ingredients DSLD #82255Net contents: 90 Veggie Cap(s)
Target: Adults and Children 4 years and above
DSLD entry: 2018-01-25
2 Ingredients (5)
IngredientGroupSafety
SerratericTBD—
Modified CelluloseCellulose—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
3 Safety cross-reference
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Serrapeptase — Limited Evidence
⚠ Increased bleeding risk
⚠ Lung inflammation (rare)
Nattokinase — Conditionally Safe
⚠ Anticoagulant/fibrinolytic effect
⚠ Increased bleeding risk
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID82255
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2018-01-25
6 More from Doctor's Best
View Doctor's Best Safety Scorecard → 152 products
5-HTP 100 mg5-HTP Enhanced with Vitamins B6 and CAcetyl-L-CarnitineAcetyl-L-Carnitine With Biosint Carnitines 500 mgAlpha-Lipoic Acid 600Ashwagandha With Sensoril 125 mg7 Cite this page
Vancouver
Pkhakadze G. Natto-Serra — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 25]. Available from: https://supplement.ge/products/natto-serra-82255/
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
Publisher: PHIG