Health Deals Radar — June 2, 2026
Two iHerb codes expire tomorrow (June 3): the new 618 early-bird code `618KMH26` (26% off, added today) and the lingering `MAY26BC` (15% off brain health). Vitacost accumulated three new brand codes since June 1 — `20IRWIN`, `DRMERC`, and `15NONGMO`, all through June 14. GNC's GHOST Birthday BOGO 50% dropped off coupon aggregators but remains confirmed live on gnc.com through June 10 for all users. MyProtein's sitewide 40% and $9.99 creatine are both active. Slickdeals returned to full volume with four vetted deals including Atkins Strong shakes at $13.52 and Nature's Bounty hair/skin/nails gummies at $6.83. The whey protein shortage (LA Times, June 1) provides structural context for the thin protein powder deal supply. Costco May book closes June 7; June+July book expected to surface June 3–4.
Two codes expire tomorrow (June 3) — iHerb
618KMH26 (26% off, 618 early-bird) and iHerb MAY26BC (15% off brain health) both go dark at end of day. GNC's GHOST Birthday BOGO 50% has dropped off coupon aggregators but remains live on gnc.com through June 10. MyProtein's 40% sitewide and the $9.99 creatine are both confirmed active. Vitacost picked up three brand-specific codes since June 1. Slickdeals bounced back with ~37 deals after yesterday's near-zero output.The banner headline: iHerb added a 26% code today tied to the 618 shopping festival — and it's gone tomorrow.
Active codes at a glance
| Retailer | Code | Discount | Applies to | Expires | Status |
|---|---|---|---|---|---|
| iHerb | 618KMH26 | 26% off | Supplements, beauty, sports, daily essentials | Jun 3 | New today — 618 early-bird |
| iHerb | MAY26BC | 15% off | Brain health supplements | Jun 3 | 14 verifications, last confirmed May 26 |
| iHerb | GOLD60 | 10% off | Orders $60+ (max $50 savings) | No set expiry | 921 verifications |
| iHerb | NEW20 | 20% off | First order, new accounts only | Jul 5 | 730 verifications |
| iHerb | DRBEST26 | 20% off | Premium wellness supplements | Jul 5 | 12 verifications |
| Vitacost | MAY26HH | 15% off | Heart health (CoQ10, Omega-3, Spirulina) | Jun 8 | Added to Vitacost DPF Jun 1 |
| Vitacost | 20SELECTLIFE | 20% off | Active Lifestyle & Fitness products | Jun 8 | New Jun 1 |
| Vitacost | 20IRWIN | 20% off | Irwin Naturals brand | Jun 14 | New Jun 1, 1-day verification |
| Vitacost | DRMERC | 10% off | Dr. Mercola Supplements | Jun 14 | New Jun 1 |
| Vitacost | 15NONGMO | 15% off | Select Non-GMO Favorites | Jun 14 | New Jun 1 |
| Vitacost | ORIGINS15 | 15% off | Healthy Origins brand | Jun 15 | Ongoing from Jun 1 |
| Vitacost | 15THEDAILY | 15% off | The Daily Crave products | Jun 29 | Ongoing |
| Vitacost | ANNIE15 | 15% off | Select orders | No set expiry | 37 verifications — anchor |
| GNC | Ghost Birthday Sale | BOGO 50% off | Full GHOST product line | Jun 10 | All users; off aggregators, live on gnc.com |
| GNC | Premier Protein BOGO Free | Buy 1 get 1 free | Premier Protein (in-store only) | Jun 3 | In-store only |
| MyProtein | (no code) | 40% off almost everything | Sitewide auto-discount | Not published | Confirmed active Jun 2 |
| MyProtein | (no code) | 50% off creatine | Creatine Monohydrate 0.5 lb | Not published | $9.99 auto, confirmed Jun 2 |
| Costco | (auto at register) | $6 off | Orgain Collagen Peptides + Probiotics | Jun 7 | May book, 5 days left |
| Costco | (auto at register) | $8.50 off | Ensure Original Nutrition Shake | Jun 7 | May book, 5 days left |
Expiry watch
iHerb
618KMH26 — expires June 3. Today's new entry: 26% off for the 618 shopping festival (a mid-year e-commerce event with roots in Asian markets), covering supplements, beauty, sports products, and daily essentials. 1 DontPayFull added this code roughly 12 hours ago with a DPF staff verification, and a follow-up staff re-verification came 4 hours later. Geographic restrictions apply (select countries) — US shoppers have successfully used iHerb's 618 codes in past years, but the listing notes restrictions so verify at checkout. This is the single largest discount code on iHerb today; if you have a cart ready, tomorrow is the deadline.iHerb
MAY26BC — expires June 3. 15% off brain health supplements. 1 Fourteen community verifications, with a user saving $33.57 on the last confirmed use (May 26). This one was flagged for June 3 expiry in yesterday's issue; that deadline holds.GNC Premier Protein BOGO Free — expires June 3, in-store only. Buy one Premier Protein item, get one free at participating GNC stores. 2 PRO ACCESS members can buy up to 12 single bottles and 4 boxes; all other customers are capped at 6 single bottles and 2 boxes. Online equivalent does not exist for this one.
Costco May book — expires June 7. Five days left on the May 2026 coupon book. Two health items remain active: Orgain Collagen Peptides + Probiotics at $23.99 (regular $29.99, saving $6.00) and Ensure Original Nutrition Shake at $28.99 (regular $37.49, saving $8.50). 3 Both discounts apply automatically at the register with a Costco membership.
iHerb — 618 code is today's lead
iHerb's 618 early-access code
618KMH26 represents a departure from the MAY-pattern codes that have dominated coverage for the past two weeks. 1 The 618 shopping festival, named after June 18, is a major Asian e-commerce event — iHerb runs targeted promotions for it annually. Four total verifications on DontPayFull, with the most recent community confirmation dating to May 26 (user queenmouse512) and two DPF staff verifications today.
The code
KRB7Q2 (30% off, through June 30) was also added to DontPayFull today but is restricted to China mainland, Hong Kong, Taiwan, and Singapore — not applicable for US shoppers. 1 The code PJZ7818 (circulating on Reddit) has not appeared on any aggregator — DontPayFull, Groupon, Brad's Deals, or Offers.com — and is excluded from this issue's recommended codes.iHerb code decision flow for June 2:
- Cart with 618-eligible items, acting today →
618KMH26(26%, expires tomorrow) - Brain health supplements, acting today →
MAY26BC(15%, expires tomorrow) - Returning customer, $60+ cart →
GOLD60(10%, 921 verifications, no expiry) - New account, first order →
NEW20(20%, through Jul 5) - Premium wellness items →
DRBEST26(20%, through Jul 5, 12 verifications)
Vitacost — three brand codes added since June 1
Vitacost (Kroger-owned online health and wellness retailer) accumulated three additional brand-specific codes since yesterday's issue. 5 All three were community-verified within one day of posting:
| Code | Discount | Brand scope | Expires |
|---|---|---|---|
20IRWIN | 20% off | Irwin Naturals (supplement brand) | Jun 14 |
DRMERC | 10% off | Dr. Mercola Supplements | Jun 14 |
15NONGMO | 15% off | Select Non-GMO Favorites | Jun 14 |
These join the codes already tracked from June 1:
20SELECTLIFE (20%, Active Lifestyle & Fitness, through Jun 8), MAY26HH (15%, Heart Health, through Jun 8), ORIGINS15 (15%, Healthy Origins, through Jun 15), and 15THEDAILY (15%, The Daily Crave, through Jun 29). 5The code
BIONUTRITION (20% off Bio Nutrition products) was expected to expire June 1 but remains listed as active on DontPayFull as of today — one verification, added June 1. 5 Whether this is a display lag or the code genuinely remains active is unconfirmed; test at checkout if your cart has Bio Nutrition items.Vitacost code decision flow:
- Irwin Naturals items →
20IRWIN(20%, through Jun 14) - Active Lifestyle & Fitness products →
20SELECTLIFE(20%, through Jun 8) - Heart health (CoQ10, Omega-3) →
MAY26HH(15%, through Jun 8) - Healthy Origins brand →
ORIGINS15(15%, through Jun 15) - Dr. Mercola products →
DRMERC(10%, through Jun 14) - Non-GMO items →
15NONGMO(15%, through Jun 14) - General order →
ANNIE15(15%, 37 verifications, no set expiry)
GNC — Ghost BOGO still active through June 10
The GHOST Birthday BOGO 50% has been removed from DontPayFull's active code listing as of today's scan, 6 but the promotion itself is confirmed live on the GNC homepage through June 10. 2 No PRO ACCESS membership required — the deal page is marked "EVERYONE SAVES!"
GHOST (a sports nutrition lifestyle brand celebrating its 10th anniversary) products covered include WHEY Protein ($54.99), Vegan Protein ($49.99), LEGEND Pre-Workout ($44.99), Energy Drink ($29.99/12-pack), BCAA ($29.99), Greens ($44.99), and Hydration ($29.99). 2 Add two qualifying GHOST items to your cart — the 50% discount on the lower-priced item applies automatically. Two identical GHOST Whey tubs ($54.99 each) work out to an effective 25% off the combined $109.98 total.
Barebells protein bars are also running BOGO 50% at GNC through June 3, per Instagram posts from GNC store accounts, though this has not been confirmed on gnc.com directly. 7
MyProtein — 40% and $9.99 creatine both confirmed
MyProtein US (THG Group-owned sports nutrition brand at us.myprotein.com) has no changes to report. The "40% OFF ALMOST EVERYTHING" auto-discount was live on the homepage as of today's June 2 check — no code required. 8 Creatine Monohydrate Powder (0.5 lb, 45 servings, unflavored) holds at $9.99 (regular $19.99, 50% off automatic). 9 Neither promotion has a posted end date.
Slickdeals picks — four community-vetted finds
Slickdeals' supplement section recovered to roughly 37 active deals on June 2 after near-zero output on June 1. 10 Four deals cleared the quality bar:
Nature's Bounty Hair, Skin & Nails Gummies — $6.83 for 2×80-count. 11 Amazon S&S + multibuy + 30% clip coupon combined to $6.83 ($3.42 per bottle), 57% off the $15.76 standard two-pack price. Deal Score +5 — Slickdeals' staff-posted and community-confirmed threshold. Nature's Bounty (mass-market supplement brand) rates 4.6 stars across 69,635 Amazon reviews, 7,000+ monthly sold. Historical low: $3.50. Activating S&S at 10% drops this further to $6.04. Requires Prime (or $35+ for free shipping), Subscribe & Save activation, and clipping the 30% coupon.
Atkins Strong Protein Shakes, 12-pack — $13.52. 12 Amazon S&S + 20% clip coupon after a $25.74 typical price, 46% off. Chocolate and Chocolate Peanut Butter flavors available. S&S at 15% (requires 5+ subscriptions in the month) lowers this to $11.72. This product previously hit Slickdeals' Frontpage at $15 with a Deal Score of 76 and 26 community comments — the current price is 30% below that benchmark. Requires Prime, S&S, and the 20% coupon clip.
GLP-1 Support Nutrient Powder — $14.99. 13 The Vitamin Shoppe (nationwide US health supplement retailer) has this 2.87 lb / 30-serving protein powder marked down from $59.99, 75% off. Chocolate or Vanilla. Per community comments, this is a protein powder formulated for people on GLP-1 medications (Ozempic, Wegovy), with 25g protein per serving and additional support ingredients — "It's protein powder with additional ingredients for people on Ozempic/Wegovy," according to Slickdeals user JenovaImproved. Hot Deals badge, Deal Score +2. Ships free on orders over $45 (four cans qualifies); in-store pickup also available.
iMATCHME Magnesium Glycinate, 120-count — $6.17. 4 850mg capsules with L-Theanine, Chamomile, and GABA, at $35.99 list price — 50% promo code K9LOIJQH + 20% clip coupon + 10% S&S stacked to $6.17 (82% off). Important caveat from community: Slickdeals user www. notes that "850mg of magnesium glycinate is actually only 155mg of [elemental] magnesium. So you would need to take 3 servings to get [the] daily recommended amount of magnesium." If your goal is hitting daily elemental magnesium intake, you're effectively looking at a 40-day supply rather than 120 days. Requires Prime, S&S, promo code K9LOIJQH, and a 20% coupon clip — each is a one-time or per-account use.
Costco — May book closing Jun 7, June+July book not yet public
Two health deals remain in Costco's May 2026 coupon book, both expiring June 7: 3
| Item | Sale price | Regular price | Savings |
|---|---|---|---|
| Orgain Collagen Peptides + Probiotics | $23.99 | $29.99 | $6.00 |
| Ensure Original Nutrition Shake | $28.99 | $37.49 | $8.50 |
Orgain (organic protein and collagen food brand) and Ensure (Abbott clinical nutrition brand) prices apply automatically at the warehouse register — no additional step required beyond a Costco membership.
The June + July 2026 coupon book (scheduled June 15–July 19) remains a subscriber-only preview on Costco Insider as of this morning's scan. 14 Costco Insider is an independent blog unaffiliated with Costco Wholesale. Based on the May book's publish pattern (book started May 11, preview appeared May 3), a public preview of the June book is expected around June 3–4. Nothing has posted yet.
Context: why protein powder deals are thin
Slickdeals returned to normal volume today, but there's a structural reason traditional protein powder deals have been sparse: a global whey protein shortage reported by the Los Angeles Times on June 1 has some suppliers already sold out of their 2026 allotment. 15 Bulk whey concentrate prices are up an average of more than 40% in recent months; grass-fed whey isolate has risen more than 300% since 2023. Whey is a byproduct of cheese production and can't be independently scaled. The LA Times piece projects 12–18 months before retail prices reflect the full supply crunch. Today's protein section on Slickdeals featured Atkins' pre-mixed shakes and a GLP-1 support powder — no traditional whey or casein powder deals surfaced.
BPN — no June code
Best Price Nutrition's (online supplement retailer operating for 25+ years) SPRINGFIT banner has been removed from the bestpricenutrition.com homepage as of today. 16 The code covered 20% off Psycho Pharma, Insane Labz, Panda Supps, and Nutrex Research. No replacement June code has appeared on the site or via Google search. 16
Code-stacking guidance
iHerb — one code per order. Run the priority sequence:
618KMH26(26%) today only, expires Jun 3 — use if your cart is eligibleMAY26BC(15%) for brain health items, expires Jun 3DRBEST26(20%) for premium wellness, through Jul 5GOLD60(10%, $60+ cart) as the reliable fallback — 921 verifications
Vitacost — one code per order. Match brand first:
- Irwin Naturals →
20IRWIN(20%) - Active Lifestyle & Fitness →
20SELECTLIFE(20%) - Heart health →
MAY26HH(15%) - No brand match →
ANNIE15(15%, 37 verifications)
GNC Ghost BOGO math: BOGO 50% applies 50% off the lower-priced item. Two GHOST Whey tubs ($54.99 each) = $82.49 total, effective 25% off. For mixed carts, put the higher-priced item first.
Expiry timeline
| Deal | Deadline | Notes |
|---|---|---|
iHerb 618KMH26 | Tomorrow Jun 3 | 26% off, 618 early-bird, select countries |
iHerb MAY26BC | Tomorrow Jun 3 | 15% off brain health supplements |
| GNC Premier Protein BOGO Free | Tomorrow Jun 3 | In-store only; PRO cap 12 bottles/4 boxes, non-PRO 6/2 |
| Costco May coupon book | Jun 7 | Orgain $23.99, Ensure $28.99 — warehouse only |
Vitacost MAY26HH | Jun 8 | 15% off heart health (CoQ10, Omega-3) |
Vitacost 20SELECTLIFE | Jun 8 | 20% off Active Lifestyle & Fitness |
| GNC Ghost Birthday BOGO 50% | Jun 10 | All users; GHOST full line |
Vitacost 20IRWIN | Jun 14 | 20% off Irwin Naturals |
Vitacost DRMERC | Jun 14 | 10% off Dr. Mercola Supplements |
Vitacost 15NONGMO | Jun 14 | 15% off Select Non-GMO Favorites |
Vitacost ORIGINS15 | Jun 15 | 15% off Healthy Origins brand |
Vitacost 15THEDAILY | Jun 29 | 15% off The Daily Crave |
Vitacost ANNIE15 | No set expiry | 15% off select orders; 37 verifications |
iHerb GOLD60 | No set expiry | 10% off $60+; 921 verifications |
iHerb DRBEST26 | Jul 5 | 20% off premium wellness; 12 verifications |
iHerb NEW20 | Jul 5 | 20% first order; new accounts only |
| MyProtein 40% auto | Not published | Sitewide; no end date visible |
| MyProtein creatine $9.99 | Not published | 0.5 lb, 50% auto |
What to watch next
Costco June + July book — based on historical release timing, a public preview is likely to appear on Costco Insider within the next 48 hours. The book itself starts June 15. 14
iHerb JUNE-pattern codes — no JUN**** or JUNE**** codes on any aggregator yet. 1 These may still surface over the next few days based on May's pattern.
GNC Ghost BOGO aggregator status — the promotion is live on gnc.com through June 10 but dropped from DontPayFull. 6 No action needed — visit gnc.com directly for the GHOST Birthday Sale.
Cover image: AI-generated.
References
- 1DontPayFull — iHerb promo codes June 2026
dontpayfull.com
- 2
- 3Costco Insider — May 2026 coupon book
costcoinsider.com
- 4Slickdeals — iMATCHME Magnesium Glycinate 850mg
slickdeals.net
- 5DontPayFull — Vitacost promo codes June 2026
dontpayfull.com
- 6DontPayFull — GNC coupon codes June 2026
dontpayfull.com
- 7
- 8MyProtein US homepage
us.myprotein.com
- 9MyProtein US — Creatine Monohydrate Powder product page
us.myprotein.com
- 10Slickdeals — supplements category
slickdeals.net
- 11Slickdeals — Nature's Bounty Hair Skin Nails 2-pack
slickdeals.net
- 12Slickdeals — Atkins Strong Protein Shake 12-pack
slickdeals.net
- 13
- 14Costco Insider — upcoming coupon books
costcoinsider.com
- 15Los Angeles Times — whey protein shortage
latimes.com
- 16Best Price Nutrition — homepage
bestpricenutrition.com
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