1 Product identity
Ingredient risk
6 ingredients to use with caution
RevitalX
BrandNatural Factors→Other Combinations Powder 46 ingredients 6 caution DSLD #38648Net contents: 1.4 lbs
Target: Adults and Children 4 years and above
DSLD entry: 2014-10-27
2 Ingredients (46)
IngredientGroupSafety
CaloriesCalories—
Calories from FatCalories—
Total FatFat (unspecified)—
Total CarbohydratesCarbohydrate—
Dietary FiberFiber (unspecified)—
SugarSugar—
ProteinProtein (unspecified)—
CelluloseCellulose—
Medium Chain TriglyceridesMedium chain triglycerides (MCT)—
Soy Lecithinlecithin—
Guar GumGuar—
FructooligosaccharidesFructo-Oligosaccharides (FOS)—
Stevia extractStevia—
N-Acetyl-L-CysteineN-Acetyl Cysteine—
Pepzyme(R) AG EnzymesProprietary Blend (non-nutrient/non-botanical)—
Grape seed (Vitis vinifera) extractGrape —
Fructose, PowderFructose—
Natural FlavorsFlavor—
Ingredient amounts require the full DSLD label. View full label at NIH DSLD →
⚠️ 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…
Magnesium — Severe deficiency (<0.50 mmol/L) causes secondary hypocalcemia and hypokalemia that will not correct until magnesium is repleted first [1].
Zinc — Chronic zinc >40 mg/day without copper causes copper deficiency: anemia, neutropenia, myeloneuropathy [1].
3 Safety cross-reference
Vitamin A — Conditionally Safe
⚠ Teratogenic at high doses
⚠ Hepatotoxic with chronic excess
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
⚠ Very low toxicity
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
Pantothenic Acid — Generally Safe
⚠ Diarrhea at very high doses
Calcium — Conditionally Safe
⚠ Cardiovascular risk debated >1,000 mg/day
⚠ Kidney stones
Phosphorus — Generally Safe
⚠ Excess impairs calcium absorption
Iodine — Conditionally Safe
⚠ Thyroid dysfunction at excess
⚠ Kelp: variable content
Magnesium — Use with Caution
⚠ Diarrhea (especially oxide)
⚠ Accumulates in renal impairment
Zinc — Use with Caution
⚠ Copper deficiency at >40 mg/day
⚠ Nausea, metallic taste
Selenium — Conditionally Safe
⚠ Selenosis >400 mcg
⚠ Diabetes risk at high doses
Chromium — Conditionally Safe
⚠ Hypoglycemia with diabetes meds
⚠ Rare renal/hepatic toxicity
Molybdenum — Generally Safe
⚠ Very low toxicity
Potassium — Conditionally Safe
⚠ Hyperkalemia risk
⚠ Dangerous with ACE inhibitors
Pea protein — Generally Safe
⚠ Lower in methionine
⚠ GI discomfort in some
Bifidobacterium — Limited Evidence
⚠ Gas initially
L-Glutamine — Conditionally Safe
⚠ Hepatic encephalopathy risk
⚠ May elevate ammonia
L-Lysine — Limited Evidence
⚠ GI discomfort at high doses
⚠ May increase calcium absorption
Glycine — Generally Safe
⚠ Well tolerated
Quercetin — Conditionally Safe
⚠ Inhibits CYP3A4
⚠ Affects cyclosporine levels
Glucosamine — Limited Evidence
⚠ Shellfish allergy
⚠ May affect glucose
Milk Thistle — Generally Safe
⚠ Mild GI
⚠ Asteraceae allergy
4 Label claims
• All Other
• Structure/Function
5 Data source
DSLD ID38648
Full labelView at NIH DSLD →
SourceOffice of Dietary Supplements, NIH
Market statusOn market
Entry date2014-10-27
6 More from Natural Factors
View Natural Factors Safety Scorecard → 247 products
AcaiRich Super Strength Acai Berry Concentrate 4:1 StandardizedAcidophilus & BifidusAcidophilus & BifidusAlpha-Lipoic AcidAlpha-Lipoic Acid 100 mgAlpha-Lipoic Acid 100 mg7 Cite this page
Vancouver
Pkhakadze G. RevitalX — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Sep 01]. Available from: https://supplement.ge/products/revitalx-38648/
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