1 Product identity
Ingredient risk
Contains restricted ingredients

Prena1 With Quatrefolic

BrandBocaGreenMDOther Combinations Softgel Capsule 31 ingredients 1 banned 6 caution DSLD #43222
Net contents: 30 Softgel(s)
Target: Pregnant and Lactating
DSLD entry: 2015-03-25
2 Ingredients (31)
IngredientGroupSafety
Vitamin CVitamin CGenerally Safe
Vitamin D3Vitamin DUse with Caution
Vitamin EVitamin EConditionally Safe
Vitamin B1ThiaminUse with Caution
Vitamin B2RiboflavinGenerally Safe
Vitamin B3NiacinConditionally Safe
Vitamin B6Vitamin B6Use with Caution
FolateFolateConditionally Safe
Quatrefolic(R)5-methyltetrahydrofolate glucosamine
Folic AcidFolateConditionally Safe
Vitamin B12Vitamin B12Use with Caution
BiotinBiotinGenerally Safe
Pantothenic AcidPantothenic Acid (Vitamin B5)
IronIronUse with Caution
ZincZincUse with Caution
Docosahexaenoic AcidDHA (Docosahexaenoic Acid)
Gelatin Capsulecapsule
high Oleic Sunflower OilSunflower Oil
BeeswaxBeeswax
Glycerol MonostearateGlycerol Monostearate
Soybean Lecithinlecithin
purified WaterWater
Titanium DioxideTitanium DioxideBanned in ≥1 country
Sunflower Lecithinlecithin
Rosemary extractRosemary
TocopherolsVitamin E (mixed tocopherols)
Ascorbyl PalmitateVitamin CGenerally Safe
D&C Red #33Color
FD&C Red #40Color
FD&C Blue #1Color
Orange Essential OilOrange (unspecified)
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⛔ Contains an ingredient banned in ≥1 country
Titanium Dioxide  🇫🇷 🇪🇺 — France banned TiO₂ in food from January 2020, first EU country.
⚠️ Use with caution — restricted in some markets
Vitamin D — Granulomatous diseases (sarcoidosis, TB) — unregulated extra-renal CYP27B1 can cause life-threatening hypercalcemia even at standard doses [2][21]
Thiamin — Wernicke encephalopathy: classic triad (confusion, ophthalmoplegia, ataxia) is present in only 16% of cases — any ONE element in an at-risk patie…
Vitamin B6 — Sensory neuropathy from chronic high-dose B6 (>200 mg/day) — presents as numbness, ataxia. Can be irreversible. Often self-prescribed by patients…
Vitamin B12 — Nitrous oxide anesthesia in subclinically B12-deficient patients can precipitate acute combined degeneration — always check B12 before elective p…
Iron — Iron supplementation in iron-replete patients may increase cardiovascular and cancer risk — always document deficiency before prescribing [1].
Zinc — Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
3 Safety cross-reference
Vitamin C — Generally Safe
⚠ GI distress at high doses
⚠ Kidney stones risk >1g/day
Vitamin D — Use with Caution
⚠ Hypercalcemia at >10,000 IU/day
⚠ Vascular calcification risk
Vitamin E — Conditionally Safe
⚠ Increased bleeding risk
⚠ All-cause mortality at >400 IU/day
Thiamin — Use with Caution
Riboflavin — Generally Safe
⚠ Harmless yellow urine
Niacin — Conditionally Safe
⚠ Flushing at >50 mg
⚠ Hepatotoxicity at high doses
Vitamin B6 — Use with Caution
Folate — Conditionally Safe
⚠ May mask B12 deficiency
⚠ Colorectal cancer risk debated
Vitamin B12 — Use with Caution
Biotin — Generally Safe
⚠ Interferes with troponin and thyroid lab assays
Pantothenic Acid — Limited Evidence
⚠ Diarrhea at very high doses
Iron — Use with Caution
⚠ GI upset, constipation
⚠ Fatal toxicity in children
Zinc — Use with Caution
⚠ Copper deficiency at >40 mg/day
⚠ Nausea, metallic taste
Titanium Dioxide — Banned in ≥1 country
⚠ EFSA: can no longer be considered safe as food additive (2021)
⚠ Genotoxicity concern (nanoparticles)
Rosemary Extract — Limited Evidence
⚠ Seizure risk at very high doses
⚠ May affect blood glucose
4 Label claims
• Nutrient
• All Other
5 Data source
DSLD ID43222
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2015-03-25
6 More from BocaGreenMD
View BocaGreenMD Safety Scorecard → 4 products
DHAMultivitamin/MultimineralPrena1 Chew With Quatrefolic
7 Cite this page
Vancouver
Pkhakadze G. Prena1 With Quatrefolic — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Jun 25]. Available from: https://supplement.ge/products/prena1-with-quatrefolic-43222/
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