DIUCAPS™ — L-Phenylalanine 300mg with Vitamin C, B6, and Pantothenic Acid — for licensed weight loss and wellness practices. Non-stimulant, non-controlled natural appetite support. Can be used alongside phentermine.
DIUCAPS™ delivers a therapeutic dose of L-Phenylalanine — an essential amino acid the body uses to produce dopamine and norepinephrine, the neurotransmitters that influence mood, alertness, and appetite. By supporting healthy neurotransmitter production, DIUCAPS™ promotes feelings of fullness and reduces the desire to eat, naturally, without stimulants, and without controlled substance status. For weight loss practices looking to offer effective appetite support that can be used broadly across their patient population, DIUCAPS™ fills a clinically useful gap.
| Specification | Detail |
|---|---|
| L-Phenylalanine | 300 mg |
| Vitamin C (as ascorbic acid) | 100 mg (111% DV) |
| Vitamin B6 (as pyridoxine HCl) | 25 mg (1,471% DV) |
| Pantothenic Acid (as d-calcium pantothenate) | 50 mg (1,000% DV) |
| Capsule count | 90 capsules |
| Other ingredients | Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide |
| Suggested use | 1 capsule with each meal, or as directed by physician |
| Private label | Available |
Legere supplies licensed medical practices with a range of quantities to fit your volume needs. To get pricing, check availability, or place an order, click Request a Quote above or contact our team directly. Private label options are available on select products.
L-Phenylalanine is an essential amino acid the brain and adrenal glands use to produce three key neurotransmitters: dopamine, norepinephrine (NE), and epinephrine. These neurotransmitters regulate mood, mental energy, alertness, and hunger signals. By replenishing the precursor the brain needs to make them, L-Phenylalanine can support:
Appetite signals: L-Phenylalanine has been studied as a “potent releaser” of cholecystokinin (CCK) — a gut hormone that signals fullness to the brain and slows gastric emptying. More CCK means stronger satiety signaling and reduced desire to continue eating.
Mood and mental energy: Norepinephrine replenishment through L-Phenylalanine supports feelings of alertness and contentment — which matters for weight loss compliance. Patients who feel better are more likely to stick with their program.
The co-factor vitamins in Diucaps — B6, Vitamin C, and Pantothenic Acid — support the conversion of L-Phenylalanine to norepinephrine and dopamine, enhancing the amino acid’s effectiveness.
Non-stimulant: L-Phenylalanine works through neurotransmitter precursor support, not stimulation. There is no jitter effect, no crash, and no cardiovascular stimulant risk associated with compounds like ephedra or caffeine-based appetite suppressants.
Non-controlled: DIUCAPS™ is not a scheduled substance. It does not require DEA registration or controlled substance documentation. Practices can recommend it to a broader patient population without the administrative burden of controlled substance prescribing.
Can be used with phentermine: Because Diucaps is non-stimulant and non-controlled, it can be used alongside phentermine as a complementary appetite support tool — addressing both the stimulant and the neurotransmitter precursor dimensions of appetite control simultaneously.
Safe for a broad population: The product sheet notes safety for use in a general adult population. Non-addicting, non-controlled, and without stimulant side effects.
Read the full mechanism in the L-Phenylalanine white paper.
Medical weight loss and obesity medicine practices: DIUCAPS™ provides non-controlled appetite support that a practice can recommend to essentially all patients — those who are candidates for phentermine and those who are not. It addresses the hunger and satiety pathway through a different mechanism than stimulant appetite suppressants, making it a practical companion or standalone option.
GLP-1 and metabolic health practices: Patients on GLP-1 therapy experience appetite suppression through a different mechanism. DIUCAPS™ supports the neurotransmitter dimension of hunger — mood-related eating, head hunger, and cravings — which GLP-1 medications do not fully address.
Primary care and integrative medicine practices: For practices that want to offer supplement-based appetite support without the prescribing requirements of controlled substances. A non-stimulant, non-addicting appetite support supplement that fits comfortably into a general wellness program.
Lipo BC Tabs — Lipotropic B-vitamin complex for fat metabolism support alongside DIUCAPS™’ appetite control. Product sheets note these are a natural pairing in weight loss programs.
D.N.S. Caps — Blood sugar and glucose metabolism support alongside appetite control. Addressing both the hunger signal and the blood sugar stability component of weight management.
Be-Thin Lipotropic Spray — For practices building a comprehensive non-controlled weight loss supplement protocol. Appetite control (DIUCAPS™) and fat metabolism support (Be-Thin) address different aspects of the weight management challenge.
ProTrim Plus or ProBese Caps — Bulking fiber-based appetite support as a complementary fullness mechanism. DIUCAPS™ supports neurotransmitter-driven satiety; fiber-based supplements support physical stomach fullness — two different pathways to the same outcome.
MAO inhibitor interaction: L-Phenylalanine should not be used by patients taking MAO inhibitor medications. The combination can cause serious blood pressure elevation.
Phenylketonuria (PKU): Patients with PKU cannot metabolize phenylalanine safely. Diucaps is contraindicated in patients with PKU.
Pregnancy and breastfeeding: Not recommended. Consult a healthcare provider.
Thyroid conditions: Phenylalanine can affect thyroid hormone metabolism. Patients with thyroid conditions should discuss with their provider before use.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
How do I order DIUCAPS™, and what quantities are available?
Contact our team directly to place an order or request a quote. We supply a range of quantities depending on the product — reach out for current availability, lead times, and volume pricing. Private label options are available.
How does DIUCAPS™ support appetite control without stimulants?
Diucaps works through L-Phenylalanine — an essential amino acid the brain uses to produce norepinephrine and dopamine, neurotransmitters that regulate hunger and mood. It also stimulates release of cholecystokinin (CCK), a gut hormone that signals fullness. The result is reduced appetite drive through the neurotransmitter and satiety hormone pathway, not through stimulant activity.
Can DIUCAPS™ be used alongside phentermine?
Yes. Because Diucaps is non-stimulant and non-controlled, it can be used alongside phentermine. The two address appetite through different mechanisms — phentermine through adrenergic stimulation, Diucaps through neurotransmitter precursor support and CCK release — making them complementary rather than redundant.
Is DIUCAPS™ appropriate for patients who cannot take controlled substances?
Yes. DIUCAPS™ is not a scheduled or controlled substance. It does not require DEA documentation and can be recommended to patients who are not candidates for phentermine or other controlled appetite suppressants due to cardiovascular conditions, history of substance use, or personal preference.
Is private label available?
Yes. Contact our team to discuss private label options, minimum quantities, and label customization for your practice.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
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