🟢 94/100

This product looks safe

  • Nicotinamide: 600mg is 17.1× the Tolerable Upper Intake Level (35mg)
  • 83% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Nicotinamide: 600mg is 17.1× the Tolerable Upper Intake Level (35mg)

Label Data

1 Tablet(s) Serving Size
60 Servings
Other Combinations Product Type
83% Evidence Coverage

Supplement Facts — Evidence Check

600 mg
⚠️ Exceeds Tolerable Upper Intake Level by 17.1× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 600mg UL 35mg
Azelaic Acid
5 mg
10 mg
✅ Within RDA (0.9× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 10mg UL 40mg
5 mg
📊 3.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 5mg UL 100mg
1.5 mg
✅ 1.7× RDA — within safe limits 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 1.5mg UL 10mg
500 mcg
✅ 1.2× RDA — within safe limits 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.5mg UL 1.0mg

Other Ingredients

Microcrystalline Cellulose Dicalcium Phosphate Croscarmellose Sodium Stearic Acid Magnesium Stearate Silica film coat

Label Claims — Verification

All Other
All Other (97% of products) Structure/Function (86% of products) Nutrient (36% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

DOSAGE AND ADMINISTRATION: Usual adult dose is one or two tablets taken once or twice a day with or without food or as prescribed by a licensed medical practitioner.

INDICATIONS AND USAGE: VP-ZEL Tabs is indicated for the distinct nutritional requirements of patients in need of dietary supplementation as determined by a licensed medical practitioner. VP-ZEL Tabs should be administered under the supervision of a licensed medical practitioner.

⚠️ Warnings & Precautions

VP-ZEL Tabs should be administered under the supervision of a licensed medical practitioner.

If you are pregnant or nursing a baby, please ask a health professional.

KEEP THIS OUT OF REACH OF CHILDREN.

Call your licensed medical practitioner about side effects.

CONTRAINDICATIONS: This product is contraindicated in patients with a known hypersensitivity to any of the ingredients.

WARNINGS: Caution is recommended in patients with a history of bipolar illness.

DRUG INTERACTIONS: Drugs which may interact with folate include: - Antiepileptic drugs (AED): The AED class including, but not limited to, phenytoin, carbamazepine, primidone, valproic acid, fosphenytoin, valproate, phenobarbital and lamotrigine have been shown to impair folate absorption and increase the metabolism of circulating folate. - Additionally, concurrent use of folic acid has been associated with enhanced phenytoin metabolism, lowering the level of the AED in the blood and allowing breakthrough seizures to occur. Caution should be used when prescribing this product among patients who are receiving treatment with phenytoin and other anticonvulsants. - Capecitabine: Folinic acid (5-formyltetrahydrofolate) may increase the toxicity of Capecitabine. - Cholestyramine: Reduces folic acid absorption and reduces serum folate levels. - Colestipol: Reduces folic acid absorption and reduces serum folate levels. - Cycloserine: Reduces folic acid absorption and reduces serum folate levels. - Dihydrofolate Reductase Inhibitors (DHFRI): DHFRIs block the conversion of folic acid to its active forms, and lower plasma and red blood cell folate levels. DHFRIs include aminopterin, methotrexate, pyrimethamine, triamterene, and trimethoprim. - Fluoxetine: Fluoxetine exerts a noncompetitive inhibition of the 5-methyltetrahydrofolate active transport in the intestine. - Isotretinoin: Reduced folate levels have occurred in some patients taking isotretinoin. - L-dopa, triamterene, colchicine, and trimethoprim may decrease plasma folate levels. - Nonsteroidal Anti-inflammatory Drugs (NSAIDs): NSAIDs have been shown to inhibit some folate dependent enzymes in laboratory experiments. - NSAIDs include ibuprofen, naproxen, indomethacin and sulindac. - Oral Contraceptives: Serum folate levels may be depressed by oral contraceptive therapy. - Methylprednisolone: Reduced serum folate levels have been noted after treatment with methylprednisolone. - Pancreatic Enzymes: Reduced folate levels have occurred in some patients taking pancreatic extracts, such as pancreatin and pancrelipase. - Pentamidine: Reduced folate levels have been seen with prolonged intravenous pentamidine. - Pyrimethamine: High levels of folic acid may result in decreased serum levels of pyrimethamine. - Smoking and Alcohol: Reduced serum folate levels have been noted. - Sulfasalazine: Inhibits the absorption and metabolism of folic acid. - Metformin treatment in patients with type 2 diabetes decreases serum folate. - Warfarin can produce significant impairment in folate status after a 6-month therapy. Drugs which may interact with nicotinamide: - The clearance of primidone and carbamazepine may be reduced with the concomitant use of nicotinamide. Drugs which may interact with zinc oxide: - The absorption of quinolones or tetracycline may be decreased with the concomitant use of zinc. Drugs which may interact with cupric oxide: - Concomitant use of penicillamine and copper can cause decreased absorption of both substances. PREGNANCY and NURSING MOTHERS: VP-ZEL Tabs is not intended for use as a prenatal/ postnatal multivitamin for lactating and nonlactating mothers. Talk with your medical practitioner before using if pregnant or lactating.

PRECAUTIONS: General: Folate, when administered as a single agent in doses about 0.1 mg daily, may obscure the detection of vitamin B12 deficiency (specifically, the administration of folic acid may reverse the hematological manifestations of B12 deficiency, including pernicious anemia, while not addressing the neurological manifestations). Folate therapy alone is inadequate for treatment of a vitamin B12 deficiency.

PREGNANCY and NURSING MOTHERS: VP-ZEL Tabs is not intended for use as a prenatal/postnatal multivitamin for lactating and nonlactating mothers. Talk with your medical practitioner before using if pregnant or lactating.

ADVERSE REACTIONS: Allergic sensitization has been reported following both oral and parental administration of folic acid, and may possibly occur with other forms of folate.

🧪 Formulation Notes

DESCRIPTION: VP-ZEL Tabs is an orally administered prescription dietary supplement specifically formulated for the dietary management of patients with unique nutritional needs requiring increased folate levels and nutritional supplementation.

Additional Information

Azelaic acid is an organic compound with the formula (CH2)7(CO2H)2 [or also as C9H16O4], and has CAS number 123-99-9. It is in the dicarboxylic acid (saturated) group, and is occurs naturally in wheat, rye, and barley.

Each coated, purple colored, oval-shaped tablet contains the following dietary ingredients:

Made in USA

STORAGE: Store at Controlled Room Temperature 15(0)-30(0)C (59(0)-86(0)F). [See USP]. Protect from light and moisture.

Dispense in a tight, light-resistant container.

This is not an Orange Book product.

NDC+: 76439-221-60 +See insert for more information about National Drug Codes (NDC).

Rev. 09/12

PATIENT INFORMATION: VP-ZEL Tabs is a prescription dietary supplement to be used only under licensed medical supervision.

FOLATE REGULATION: The term "folate" are B vitamins that include folic acid and any forms of active pteroylglutamates regardless of the reduction state of the molecule. Folates, or vitamin B9, are primarily hydrolyzed in the intestinal jejunum and the liver to the active circulating form of folate, l-methylfolate, with an intermediate stable form, 5,10-methylenetetrahydrofolate. Individuals with genetic polymorphorisms for the genes coding methylenetetrahydrofolate reductase (MTHFR) may not be capable of utilizing or metabolizing folic acid adequately for the vitamin B12 dependent methylation cycle. Folic acid, including reduced forms* such as folinic acid, may obscure pernicious anemia above 0.1 mg doses, and must be administered under the supervision of a licensed medical practitioner. The 1971, 1972, 1973, 1980, 1984, 2000, and 2010 Federal Register Notices addressed this concern while establishing that increased folate was proper therapy in megaloblastic anemias - specifically where homocysteine levels were elevated or risk of neural tube defects (NTDs) was at issue. The Federal Register Notice of August 2, 1973 (38 FR 20750) specifically states that: Dietary supplement preparations are available without a prescription (21 CFR 121.1134). Levels higher than dietary supplement amounts are available only with a prescription. Folic acid - including reduced forms, may be added to medical foods as defined in section 5(b) (3) of the Orphan Drug Act (21 USC 360ee(b)(3)), or to food (21 CFR 172.345).

*These products are dietary supplements that - due to increased folate levels (AUG 3 1973 FR 20750), require an Rx on the label because of increased risk associated with masking of B12 deficiency. As such this product requires licensed medical supervision, an Rx status, and a national drug code (NDC) as required by pedigree reporting requirements.

HOW SUPPLIED: VP-ZEL Tabs tablets are coated, purple colored, oval-shaped tablets debossed on one side with “V221”, and are supplied in bottles of 60 tablets.

All prescriptions using this product shall be pursuant to state statutes as applicable. This is not an Orange Book product.

V Virtus PHARMACEUTICALS

Product Details

UPC / SKU 3 76439 22160 7
DSLD Entry Date 2013-08-23
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 22193
Data Updated 2026-04-11

Research Evidence

241 Research Sources
55 Avg Quality Score
113 Meta Analysis
75 Systematic Review
32 Rct
11 Clinical Trial
3 Other
3 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Openfda Safety
A Niacin for primary and secondary prevention of cardiovascular events
Meta Analysis The Cochrane database of systematic reviews 2017
A Use of high potency statins and rates of admission for acute kidney injury: multicenter, retrospective observational analysis of administrative databases
Meta Analysis BMJ (Clinical research ed.) 2013
A Effect on cardiovascular risk of high density lipoprotein targeted drug treatments niacin, fibrates, and CETP inhibitors: meta-analysis of randomised controlled trials including 117,411 patients
Meta Analysis BMJ (Clinical research ed.) 2014
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014
A Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne
Meta Analysis The Cochrane database of systematic reviews 2020
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016
View all evidence for Niacin →

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