Power-Zinc Plus by Physician's Strength — Ingredients, Evidence & Safety

🟢 100/100

This product looks safe

No ingredients exceed tolerable upper intake levels
44% of ingredients have research evidence

A Label Compliance Grade

Product Label

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Label Data

28 Gram(s) Serving Size

9 Servings

Botanical with Nutrients Product Type

44% Evidence Coverage

Supplement Facts — Evidence Check

Calories

100 Calorie(s)

Total Fat

(3% DV)

Cholesterol

Sodium

132.5 mg (5% DV)

Total Carbohydrates

7 Gram(s) (2.5% DV)

Protein

14 Gram(s) (28% DV)

Vitamin C

168 mg (190% DV)

Iron

5.69 mg (30% DV)

Thiamine

0.15 mg (15% DV)

✅ Within RDA (0.1× RDA of 1.2 mg) 📚 76 studies (Tier A: 0, B: 33)

RDA 1.2mg This product: 0.15mg

Phosphorus

556.43 mg (45% DV)

✅ Within RDA (0.8× RDA of 700 mg) 📚 12 studies (Tier A: 0, B: 3)

RDA 700mg This product: 556.43mg UL 4000mg

Niacin

1.81 mg (10% DV)

✅ Within RDA (0.1× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 1.81mg UL 35mg

Copper

0.38 mg (40% DV)

✅ Within RDA (0.4× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)

RDA 0.9mg This product: 0.38mg UL 10mg

Vitamin B6

0.21 mg (10% DV)

✅ Within RDA (0.2× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)

RDA 1.3mg This product: 0.21mg UL 100mg

Zinc

4.14 mg (40% DV)

✅ Within RDA (0.4× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 4.14mg UL 40mg

Folate

3.344 mcg

📊 Market median: 667.0mg (446 products) 📚 225 studies (Tier A: 10, B: 105)

RDA 0.4mg This product: 0.0033439999999999998mg UL 1.0mg

Magnesium

312.47 mg (80% DV)

📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)

This product: 312.47mg

Manganese

2.51 mg (110% DV)

✅ 1.1× RDA — within safe limits 📚 8 studies — no high-quality reviews

RDA 2.3mg This product: 2.51mg UL 11mg

Potassium

494.45 mg (10% DV)

Other Ingredients

Styrian Pumpkin, Powder Rice Bran Camu Camu, Wild

Label Claims — Verification

❓ Nutrient

❓ All Other

❓ Structure/Function

All Other (99% of products) Structure/Function (84% of products) Nutrient (48% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Take two tablespoons daily in juice, milk, or smoothies. Mix in hot or cold cereal, soup and entrees. Add to most any recipe to increase nutritional value. Great in yogurt and desserts. Can be added to fortify baking recipes.

🧪 Formulation Notes

Power-zinc plus with styrian-austrian pumpkinseed powder is the only whole food zinc supplement available. Rich in ionic zinc it is also an excellent source of magnesium, manganese, copper, iron, and phosphorus. As well, it is a dense source of B vitamins, especially niacin, B6, and thiamine plus vitamin C. Power-zinc plus provides in one serving 40% of the daily need for men and 52% for women. Get your zinc and more the way your body was made to use it.

Austrian pumpkinseed, rice bran, & camu camu

Healthy immune support

Additional Information

Doctors Formula

Product Details

UPC / SKU 8 50032 45470 4

DSLD Entry Date 2023-09-25

Product Type Botanical with Nutrients

Form Powder

Brand Physician's Strength

DSLD ID 296832

Data Updated 2026-04-11

Research Evidence

397 Research Sources

55 Avg Quality Score

200 Meta Analysis

68 Rct

58 Systematic Review

53 Clinical Trial

9 Cochrane Review

2 Narrative Review

2 Regulatory Source

1 Observational

1 Other

1 Openfda Safety

A Zinc supplementation for improving pregnancy and infant outcome

Meta Analysis The Cochrane database of systematic reviews 2021

PubMed DOI Cochrane

A Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years

Narrative Review The Cochrane database of systematic reviews 2023

PubMed DOI Cochrane

A Oral zinc for treating diarrhoea in children

Meta Analysis The Cochrane database of systematic reviews 2016

PubMed DOI

A Zinc supplements for preventing otitis media

Meta Analysis The Cochrane database of systematic reviews 2014

PubMed DOI Cochrane

A Zinc for the prevention or treatment of acute viral respiratory tract infections in adults: a rapid systematic review and meta-analysis of randomised controlled trials

Meta Analysis BMJ open 2021

PubMed DOI

A Zinc supplements for preventing otitis media

Meta Analysis The Cochrane database of systematic reviews 2010

PubMed DOI Cochrane

A Zinc supplements for preventing otitis media

Meta Analysis The Cochrane database of systematic reviews 2012

PubMed DOI Cochrane

A Compression bandages or stockings versus no compression for treating venous leg ulcers

Meta Analysis The Cochrane database of systematic reviews 2021

PubMed DOI

A Zinc supplementation for mental and motor development in children