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Withdrawal Support

product on market Capsule Crystal Star Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

DL-Phenylalanine and Niacin are studied for their roles in neurotransmitter synthesis and metabolic function, though evidence for withdrawal support is limited. The proprietary herbal blend lacks specific clinical data to determine efficacy. Overall, research supporting this specific combination for withdrawal is sparse.

AI-generated summary based on research evidence. Not medical advice.

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Withdrawal Support
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
30
Servings
Botanical
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

DL-Phenylalanine
30 mg (190% DV)
30 mg (196% DV)
2.1× RDA — within safe limits 196 studies (A:5, B:63)
Proprietary Herbal Blend (Herb/Botanical)
1300 mg

Other Ingredients

certified organic Brown Rice Vegetarian Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 2 capsules, twice daily for 1-2 months. Then, 2 capsules daily as needed for maintenance.

Warnings & Precautions

Note: Do not use if the tamper proof seal is damaged.

Products containing Kava Kava Root are not recommended for use by persons under the age of 18.

If pregnant, nursing, or taking a prescription drug, consult a health care practitioner prior to use.

Do not exceed recommended dose.

Excessive consumption may impair ability to drive or operate heavy equipment. Not recommended for consumption with alcoholic beverages.

Keep out of reach of children.

Formulation Notes

Wood Betony Leaf support craving reduction Gotu Kola promotes calm nerves Valerian encourages restful sleep St John's Wort encourages mood enhancement

Gluten free

Additional Information

For over 35 years, it has been my goal to help you feel better safely & naturally. Formulated by myself. Crystal Star products are the best choice. Linda Page, Ph.D, Traditional Naturopath

Plants rule

GMP Quality Assured This product has been manufactured at a GMP registered facility certified by the NSF (The Public Health and Safety Company)

100% satisfaction guaranteed

Store in a cool dry place (59 - 86(0) F)

Encourages the relief of symptoms like cravings, moodiness, nervous tension, head and backache.

Since 1978

Gluten free

Prod #4330 REV 6/17

Metadata

Product Details

UPC / SKU7 47889 04330 7
DSLD Entry Date2018-05-24
Product TypeBotanical
FormCapsule
BrandCrystal Star
DSLD ID173723
Data Updated2026-04-11
Research

Research Evidence

241
Research Sources
55
Avg Quality
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
A A terminal metabolite of niacin promotes vascular inflammation and contributes to cardiovascular disease risk
Meta Analysis Nature medicine 2024 PubMed DOI
A Meta-analysis and imputation refines the association of 15q25 with smoking quantity
Meta Analysis Nature genetics 2010 PubMed DOI
A Genome-wide meta-analyses identify multiple loci associated with smoking behavior
Meta Analysis Nature genetics 2010 PubMed DOI
A Antidepressants for smoking cessation
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
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 PubMed DOI
B Assessment of the Role of Niacin in Managing Cardiovascular Disease Outcomes: A Systematic Review and Meta-analysis
Meta Analysis JAMA network open 2019 PubMed DOI
B Association Between Lowering LDL-C and Cardiovascular Risk Reduction Among Different Therapeutic Interventions: A Systematic Review and Meta-analysis
Meta Analysis JAMA 2016 PubMed DOI
View all evidence for Niacin →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.