Male Performance by Crystal Star — Ingredients, Evidence & Safety

Product Label

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Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

1 Capsule(s) Serving Size

60 Servings

Other Combinations Product Type

67% Evidence Coverage

Supplement Facts — Evidence Check

Zinc

13 mg (118% DV)

✅ 1.2× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)

RDA 11mg This product: 13mg UL 40mg

Vitamin B3

7 mg (44% DV)

✅ Within RDA (0.5× RDA of 14 mg) 📚 193 studies (Tier A: 5, B: 63)

RDA 14mg This product: 7mg UL 35mg

Proprietary Herbal Blend

0.63 Gram(s)

Other Ingredients

certified organic Brown Rice Vegetarian Capsule

Label Claims — Verification

❓ All Other

❓ Structure/Function

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

Target Groups

Vegetarian Adult Male (18-50 Years)

Product Information

📋 Directions for Use

Suggested Use Take 2 capsules daily, morning and afternoon. May be used long-term as a daily men's supplement.

⚠️ Warnings & Precautions

CA Residents: Warning: Cancer and reproductive harm www.P65Warnings.ca.gov

May contain: Tree nuts (ginkgo)

Warning: Do not use if tamper proof seal is damaged or missing.

Do not use if pregnant or nursing. Consult a health care professional prior to use if you have any pre-existing medical conditions or are taking any prescription medications.

Keep out of reach of children.

🧪 Formulation Notes

Daily nutrients for energy & stamina

21 whole herbs

Non-GMO product

Vegetarian friendly

Daily energy for the gym or bedroom Supports circulation & hormone health

Wild oats & maca

Additional Information

3rd party tested

U.S. F.D.A. Reg. Facility

Product Details

UPC / SKU 7 47889 03150 2

DSLD Entry Date 2022-09-22

Product Type Other Combinations

Form Capsule

Brand Crystal Star

DSLD ID 268790

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