Frequently Asked Questions
How is HOLLOW Sleep different from a regular magnesium supplement?
Most supplements use magnesium oxide — the cheap form. Your body absorbs less than 5% of it. The rest flushes out. HOLLOW Sleep uses magnesium glycinate at 275mg elemental per serving — the bioavailable, well-tolerated form that your brain actually uses to support relaxation and sleep.
When should I take it?
Take three capsules with water 30 minutes before bed. Consistency matters — most people feel the difference within 14 days of nightly use.
Is it safe? Will it make me groggy?
Magnesium glycinate is one of the most well-tolerated forms of magnesium. Unlike sleep aids, it doesn't sedate you — it supports your body's natural mechanisms for relaxation. You should wake up clear-headed, not groggy.
Are HOLLOW products vegan?
Yes. HOLLOW Sleep uses a vegetarian hypromellose capsule and contains no animal products.
Do you ship internationally?
HOLLOW currently ships to addresses within the United States. International shipping is coming in late 2026.
How long does shipping take?
US orders typically arrive in 5–7 business days. Tracking is emailed within 24 hours of dispatch.
What's your return policy?
99-day money-back guarantee. If HOLLOW Sleep doesn't work for you, email hello@tryhollow.com within 99 days of receipt and we'll refund you — no questions, no return required.
Can I take HOLLOW Sleep with my other medications?
Magnesium can interact with certain medications including some antibiotics, diuretics, and bone density medications. If you're on any prescription, consult your healthcare provider before starting any supplement, including HOLLOW Sleep.
Is HOLLOW Sleep safe during pregnancy?
HOLLOW Sleep has not been evaluated for use during pregnancy or breastfeeding. If you're pregnant or nursing, please consult your doctor before use.
Where is HOLLOW made?
HOLLOW products are manufactured in the USA in an FDA-registered, GMP-certified facility. Every batch is third-party tested for purity.
*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.