Whether it's the crack of thunder, a car trip to the vet, or a houseguest who makes your pet uneasy — situational stress is one of the most common concerns pet owners bring up. Unlike prescription sedatives, which blunt awareness and can cause grogginess, a well-formulated natural calming supplement works differently: it supports the neurological pathways that regulate emotional responses without shutting them down entirely.
Thera-Bites Mellows from Aventix are soft chews designed for exactly these moments. Registered with Health Canada as a Veterinary Health Product, Mellows combine five active ingredients in a palatable chicken liver-flavoured chew that works for both dogs and cats.
The formula centres on L-Theanine (50 mg), an amino acid found naturally in green tea that promotes alpha-wave brain activity — the brain state associated with calm alertness rather than sedation. Valerian Root Extract (12.5 mg) has been used for centuries as a natural relaxant and is now one of the most studied botanicals for anxiety in companion animals. Colostrum Bovine (40 mg) contributes immune-modulating bioactive peptides that also have calming properties. EPA and DHA from omega-3 fatty acids (66 mg and 44 mg respectively) round out the formula, supporting the neurological baseline that influences how pets respond to stressors.
Because Mellows contain certain herbal compounds, they should not be used in animals receiving CNS depressants, anesthetics, or anticoagulants without veterinary guidance. They are not recommended for pregnant or lactating animals, or within 24 hours of surgery.
Key Active Ingredients per Chew:
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L-Theanine 50 mg: Promotes calm alertness without sedation
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Valerian Root Extract 12.5 mg: Botanical relaxant with evidence in animal anxiety
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Colostrum Bovine 40 mg: Bioactive peptides with calming properties
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EPA 66 mg / DHA 44 mg: Omega-3 fatty acids for neurological support
Directions for Use:
Give the recommended dose 60 minutes before the anticipated stressful event. The dose can be doubled if necessary. Can also be given daily for 1–2 days before a planned event. Dose varies by body weight — see packaging for weight-based guidance.
Supplement Advisor's Note:
The 60-minute lead time is critical for situational use — these ingredients need time to reach effective concentrations. If your pet has chronic, daily anxiety rather than situational stress, ask your vet about whether a consistent daily protocol or a prescription option might be more appropriate. L-Theanine and valerian work best as a duo when used consistently rather than sporadically. For travel anxiety specifically, a dose the night before and one the morning of the trip often produces the best results.
Frequently Asked Questions
Q: How long before a stressful event should I give Mellows?
A: Give 60 minutes before the event for best results. The dose can be doubled if your pet has severe anxiety.
Q: Can I use Mellows every day for a chronically anxious pet?
A: Mellows can be given daily for 1–2 days around planned events but are not intended for indefinite daily use without veterinary guidance.
Q: Are these safe for cats as well as dogs?
A: Yes, Thera-Bites Mellows are formulated for both dogs and cats.
Q: Will Mellows make my pet drowsy or lethargic?
A: No. The formula is designed for calm without sedation. Your pet should remain aware and responsive — just less reactive to stressors.
