1 Product identity

Ingredient risk

4 ingredients to use with caution

Heart Support

Name: Heart Support
Brand: NOW

BrandNOW→Other Combinations Tablet or Pill 22 ingredients 4 caution DSLD #14886

Net contents: 60 Tablet(s)

Target: Adults and Children 4 years and above

DSLD entry: 2012-10-25

2 Ingredients (22)

IngredientGroupSafety

CaloriesCalories—

Total CarbohydratesCarbohydrate—

ThiamineThiaminUse with Caution

Vitamin B6Vitamin B6Use with Caution

FolateFolateConditionally Safe

Vitamin B12Vitamin B12Use with Caution

IodineIodineConditionally Safe

MagnesiumMagnesiumUse with Caution

SeleniumSeleniumConditionally Safe

PotassiumPotassiumConditionally Safe

GarlicGarlic—

L-CarnitineL-CarnitineGenerally Safe

GingerGinger —

Cayenne PepperCapsicum—

Hawthorn ExtractHawthornConditionally Safe

Coenzyme Q10Coenzyme Q-10—

Alpha Lipoic AcidAlpha Lipoic Acid—

CelluloseCellulose—

Stearic AcidStearic Acid—

Croscarmellose SodiumCroscarmellose Sodium—

Magnesium StearateMagnesium stearateUse with Caution

Enteric CoatingCoating—

Ingredient amounts require the full DSLD label. View full label at NIH DSLD →

⚠️ Use with caution — restricted in some markets

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].

3 Safety cross-reference

Thiamin — Use with Caution

⚠ Very low toxicity

Vitamin B6 — Use with Caution

Folate — Conditionally Safe

⚠ May mask B12 deficiency

⚠ Colorectal cancer risk debated

Vitamin B12 — Use with Caution

Iodine — Conditionally Safe

⚠ Thyroid dysfunction at excess

⚠ Kelp: variable content

Magnesium — Use with Caution

⚠ Diarrhea (especially oxide)

⚠ Accumulates in renal impairment

Selenium — Conditionally Safe

⚠ Selenosis >400 mcg

⚠ Diabetes risk at high doses

Potassium — Conditionally Safe

⚠ Hyperkalemia risk

⚠ Dangerous with ACE inhibitors

L-Carnitine — Generally Safe

⚠ Fishy body odor

⚠ TMAO concern

Hawthorn — Conditionally Safe

⚠ Additive with digoxin

⚠ Hypotension

Coenzyme Q10 — Limited Evidence

⚠ May reduce warfarin efficacy

⚠ Mild GI effects

Sodium — Limited Evidence

⚠ Hypertension

⚠ Fluid retention

4 Label claims

• All Other

• Structure/Function

5 Data source

DSLD ID14886

Full labelView at NIH DSLD →

SourceOffice of Dietary Supplements, NIH

Market statusOn market

Entry date2012-10-25

6 More from NOW

View NOW Safety Scorecard → 1,261 products

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7 Cite this page

Vancouver

Pkhakadze G. Heart Support — product analysis [Internet]. Tbilisi: Public Health Institute of Georgia; 2026 [cited 2026 Aug 30]. Available from: https://supplement.ge/products/heart-support-14886/

CC BY 4.0. Product data from NIH DSLD; safety analysis by SupplementIndex.

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